L-number

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Baryancistrus L-18 is also described as L-85.

The L-number system is a semi-scientific classification system of catfish based on photographs of shipments of tropical catfish of the family Loricariidae published by the aquarium magazine DATZ (Die Aquarien und Terrarienzeitschrift).

An L-number is not an official scientific name, but it does allow people to identify various Loricariid catfish by a "common name" before the fish is actually officially described. When a Loricariid receives an official scientific name, the L-number is retired. ^[1]

In general a specific L-number classification does not guarantee a discrete species—multiple L numbers have been given to different populations of the same species. To add to the confusion, sometimes a single L-number may actually be used for multiple species.

Additionally the aquarium magazine 'Das Aquarium' introduced a similar system using the prefix 'LDA'.

[edit] L-number catfish articles

The L-numbers are listed below in numerical order.^[2] The preceding number holds no true precedence over the "alternative" L-numbers; they merely both are numbers that describe the same species or type.

L-number	Alternative L- or LDA-numbers	Scientific name	Common name(s)
L001	L022	Pterygoplichthys joselimaianus
L002	L074	Panaque sp.	Tiger peckoltia
L003		Baryancistrus sp.	Kieser pleco
L004	L005, L028, L073	Hypancistrus sp.	Angelicus pleco
L005	L004, L028, L073	Hypancistrus sp.	Angelicus pleco
L006		Hemiancistrus oligospilus	Brown Dot Peckoltia
L007		Leporacanthicus cf. galaxias	Galaxy pleco, Tusken pleco, Vampire pleco
L008		Peckoltia sp.	Leopard Peckoltia
L009		Peckoltia sp.	Smoky Peckoltia
L010		Loricaria lata
L010a		Rineloricaria sp.	Red Lizard Catfish, Red Whiptail Catfish
L011	L035, L108, L116	Hypostomus cf. emarginata	Thresher pleco, Red fin thresher pleco
L012		Peckoltia sp.
L013		Peckoltia sp.
L014		Scobinancistrus aureatus	Goldie Pleco, Sunshine Pleco
L015		Peckoltia vittata	Candy stripe pleco
L016		Ancistrini sp.
L017		Hopliancistrus sp.
L018	L085	Baryancistrus sp.	Gold nugget pleco
L019		Oligancistrus sp.
L020		Spectracanthicus sp.
L021	L023	Pterygoplichthys pardalis	Common pleco
L022	L001	Pterygoplichthys joselimaianus
L023	L021	Pterygoplichthys pardalis	Common pleco
L024		Pseudacanthicus sp.	Flame pleco, Red fin cactus pleco
L025		Pseudacanthicus sp.	Scarlet pleco
L026		Baryancistrus niveatus
L027a	L330	Panaque sp. cf.nigrolineatus	Watermelon pleco
L027b		Panaque sp. cf. nigrolineatus	Olive royal pleco, Teles Pires royal pleco
L027 Tapajos	L027	Panaque sp. cf. nigrolineatus	Tapajos royal pleco, Golden line royal pleco
L027 Tocantins	L027, L027c	'Panaque sp. cf. nigrolineatus	Tocantins royal pleco, Platinum royal pleco
L027 Xingu	L027, L027c	Panaque sp. cf. nigrolineatus	Xingu royal pleco, Longnosed royal pleco
L028	L004, L005, L073	Hypancistrus sp.	Angelicus pleco
L029		Leporacanthicus galaxias	Galaxy pleco, Tusken pleco, Vampire pleco
L030		Oligancistrus sp.
L031	L176, L300, LDA04	Parancistrus nudiventris	Peppermint pleco
L032		Ancistrus sp.
L033		Lasiancistrus sp.
L034		Ancistrus ranunculus	Medusa pleco
L035	L011, L108, L116	Hypostomus cf. emarginata	Thresher pleco, Red fin thresher pleco
L036		Hemiancistrus spilomma
L037		Hypostomus sp.
L038		Peckoltia sp.
L039		Pseudancistrus niger
L040		Harttia surinamensis
L041		Pseudancistrus brevispinis
L042		Rineloricaria cf. platyura	Pearlscale whiptail
L043		Ancistrus sp.
L044		Lithoux planquettei
L045		Ancistrus sp.
L046	L098, L173	Hypancistrus zebra	Zebra pleco
L047		Baryancistrus sp.	Magnum pleco, Mango pleco
L048		'Scobinancistrus cf. pariolispos
L049		Peckoltia sp.
L050		Hypostomus cf. cochliodon	Spotted Cochliodon, Spotted Humpbacked Pleco
L051	L281	Hypostomus latifrons
L052		Dekeyseria' sp.	Butterfly pleco, Flounder pleco
L053		Harttia sp.
L054		Hypostomus sp.
L055		Peckoltia sp.
L056		Pseudancstrus sp.
L057		Baryancistrus sp.
L059		Ancistrus sp.
L060		Hypostomus cf. nematopterus
L061		Peckoltia sp.
L063		Pseudacanthicus sp. cf. serratus
L064		Pseudacanthicus sp.
L065		Pseudacanthicus sp.	Blizzard Cactus Pleco, Mustang Cactus Pleco
L066		Hypancistrus sp.	King tiger pleco, Scribbled pleco, Network pleco
L067		Pseudancistrus sp.
L068		Ancistrini sp.
L069		Ancistrini sp.
L070		Hypancistrus sp.	Zombie pleco
L071	L181, L249	Ancistrus sp.
L072		Peckoltia sp.
L073	L004, L005, L028	Hypancistrus sp.	Angelicus pleco
L074	L002	Panaque sp.	Tiger peckoltia
L075	L124, L301, LDA02	Hemiancistrus sabaji	Para Pleco
L076		Peckoltia sp.	Orange seam pleco
L077		Hypostomus sp.	Bruno pleco, Rusty pleco, Violet pleco
L078		Hypostomus sp.
L079		Pseudacanthicus sp.
L080		Peckoltia sp.
L081		Baryancistrus sp.	Gold nugget pleco
L082		Ancistrini sp.	Opal spot pleco, Polka-dot cigar pleco
L083	L165	Pterygoplichthys gibbiceps	Sailfin pleco
L084		Baryancistrus sp.
L085	L018	Baryancistrus sp.	Gold nugget pleco
L086	LDA14	Oligancistrus sp.
L087		Hypostomus sp.
L088		Ancistrus sp.
L089		Ancistrus sp.
L090		Panaque sp.	Papa Panaque
L091		Leporacanthicus triactis	Three beacon pleco
L092	L194	Lasiancistrus tentaculatus	Woodeating Lasiancistrus
L093	L153, L195	Hypostomus villarsi	Blue fin thresher pleco
L094	L123	Hypostomus ammophilus
L095		Pseudorinelepis ginebarbis
L096	L160	Pseudacanthicus spinosus	Coffee & cream pleco, Spiny monster pleco
L097		Pseudacanthicus sp.	Polka dot cactus pleco
L098	L046, L173	Hypancistrus zebra	Zebra pleco
L099		Peckoltia sp.
L100	LDA75	Ancistrus sp.
L101		Hypostomus sp.
L102		Hypancistrus inspector	Snowball pleco
L103		Peckoltia sp.
L104	L162, LDA22	Panaque maccus	Clown Pleco
L105		Panaque sp.
L106		Hemiancistrus guahiborum	Spotted orange seam pleco
L107	L184	Ancistrus sp.	Brilliant bristlenose pleco
L108	L011, L035, L116	Hypostomus cf. emarginata	Thresher pleco, Red fin thresher pleco
L109		Hypostomus cf. unicolor
L110	L157	Ancistrus sp.	Red spot bristlenose
L111		Ancistrus sp.
L112		Hypostomus sp.
L113	L234	Megalancistrus parananus
L114	LDA07	Pseudacanthicus leopardus	Leopard cactus pleco
L115	L248	Baryancistrus sp.	Mega Snowball pleco
L116	L011, L035, L108	Hypostomus cf. emarginata	Thresher pleco, Red fin thresher pleco
L117		Hypostomus sp.
L118		Hypostomus sp.
L119		Hypostomus sp.
L120		Ancistrus sp.	Black fin bristlenose
L121	L135, L305	Peckoltia braueri	Worm line peckoltia
L122		Pseudancistrus sp.	Spotted orange seam pleco
L123	L094	Hypostomus ammophilus
L124	L075, L301, LDA02	Hemiancistrus sabaji	Para Pleco
L125	L150	Ancistrus sp.
L126		Pseudancistrus orinoco
L127	L207	Ancistrini sp.
L128		Hemiancistrus sp.	Blue phantom pleco
L129		Hypancistrus debilittera
L130		Hypostomus sp.
L131		Hypostomus sp.
L132		Hypostomus sp.
L133		Scobinancistrus sp.
L134		Peckoltia sp.	Leopard frog pleco
L135	L121, L305	Peckoltia braueri	Worm line peckoltia
L136	L136a, L136b, LDA05, LDA06	Hypancistrus sp.
L137		Hypostomus soniae	Blue eyed red fin pleco
L138		Hypostomus sp.
L139		Hypostomus sp.
L140	LDA61, LDA62	Peckoltia sp.
L141	L215	Peckoltia snethlageae
L142	LDA33	Baryancistrus sp.	Big White Spot Pleco
L143		Lasiancistrus sp.
L144		Ancistrus sp.	Black eyed yellow bristlenose
L145		Hypostomus sp.
L146	L232, LDA30	Peckoltia ucayalensis	Bola pleco
L147		Peckoltia sp.
L148		Ancistrus sp.
L149		Ancistrus sp.
L150	L125	Ancistrus sp.
L151	L216	Dekeyseria scaphirhyncha	Flat head pleco
L152		Pseudorinelepis sp.	Pineapple pleco
L153	L093, L195	Hypostomus villarsi	Blue fin thresher pleco
L154		Pterygoplichthys sp.
L155		Acanthicus hystrix	Lyretail pleco
L156		Ancistrus sp.
L157	L110	Ancistrus sp.	Red spot bristlenose
L158		Hypancistrus sp.
L159		Ancistrus sp.
L160	L096	Pseudacanthicus spinosus	Coffee & cream pleco, Spiny monster pleco
L161		Peckoltia cf. snethlageae
L162	L104, LDA22	Panaque maccus	Clown Pleco
L163		Peckoltia sp.	Big spot peckoltia
L164		Pterygoplichthys sp.
L165	L083	Pterygoplichthys gibbiceps	Sailfin pleco
L166		Hypostomus sp.
L167		Hypostomus sp.
L168		Dekeyseria brachyura	Butterfly pleco, Flounder pleco
L169	LDA01	Panaque sp.	Gold Stripe Panaque
L170		Peckoltia sp.
L171	LDA15	Hopliancistrus sp.
L172	LDA33	Baryancistrus sp.	Big whitespot pleco
L173	L046, L098	Hypancistrus zebra	Zebra pleco
L174		Hypancistrus sp.
L175		Oligancistrus sp.
L176	Parancistrus nudiventris	Peppermint pleco
L177		Baryancistrus sp.	Iriri gold nugget pleco
L178		Lasiancistrus sp.	Red fin Lasiancistrus
L179		Pseudacanthicus sp.
L180		Ancistrus sp.
L181	L071, L249	Ancistrus sp.
L182		Ancistrus hoplogenys	Starlight bristlenose pleco
L183		Ancistrus dolichopterus	Starlight bristlenose catfish
L184	L107	Ancistrus sp.	Brillian bristlenose pleco
L185		Pseudacanthicus sp.
L186		Pseudacanthicus sp.
L190		Panaque nigrolineatus	Royal pleco
L191		Panaque sp.	Dull Eyed Royal pleco
L192		Hypostomus sp.
L193		Acanthicus sp.
L194	L092	Lasiancistrus tentaculatus	Woodeating Lasiancistrus
L195	L093, L153	Hypostomus villarsi	Blue fin thresher pleco
L196		Pterygoplichthys literatus
L197		Ancistrini sp.
L198		Ancistrini sp.
L199		Hypancistrus furunculus
L200		Baryancistrus demantoides
L200		Hemiancistrus subviridis	Green pleco, Lemon spotted green pleco
L201		Hypancistrus contradens
L202		Peckoltia sp.
L203	LDA65	Panaque sp.	Titanic pleco, Volkswagen pleco
L204		Panaque sp.	Flash pleco
L205		Peckoltia sp.
L206		Panaque sp.
L207	L127	Ancistrini sp.
L208		Ancistrini sp.
L209		Peckoltia sp.
L210		Ancistrini sp.
L211	L295	Peckoltia sp.
L212		Hopliancistrus tricornis
L213		Ancistrus sp.
L214		Peckoltia sp.
L215	L141	Peckoltia snethlageae
L216	L151	Dekeyseria scaphirhyncha	Flat head pleco
L218	L247	Peckoltia sp.
L219		Baryancistrus sp.
L220		Pseudancistrus sp.
L221	L223	Pseudancistrus sp.
L222		Hypostomus sp.
L223	L221	Pseudancistrus sp.
L224		Hypostomus sp.
L226	LDA26	Panaque changae	Iquitos tiger pleco
L227		Hypostomus sp.
L228		Lasiancistrus sp.
L229		Hypostomus sp.
L232	L146, LDA30	Peckoltia ucayalensis	Bola pleco
L233	LDA09	Hypostomus sp.
L234	L113	Megalancistrus parananus
L235		Pseudolithoxus anthrax	Flyer cat
L236		Hypancistrus sp.
L237		Ancistrus sp.
L238	LDA40	Delturus sp.	Brook pleco
L239		Ancistrini sp.	Blue Panaque
L240		Leporacanthicus cf. galaxias
L241		Leporacanthicus cf. galaxias
L242		Hypostomus sp.
L243		Peckoltia sp.
L244		Pseudolithoxus dumus
L245		Hypostomus sp.
L246		Hypostomus sp.
L247	L218	Peckoltia sp.
L249	L071, L181	Ancistrus sp.
L250		Hypancistrus sp.
L251		Pseudancistrus sp.
L252		Ancistrini sp.
L253		Scobinancistrus sp.
L254		Spectracanthicus sp.
L255		Ancistrus sp.	Spotted medusa pleco
L256		Lithoxus sp.
L257		Pseudolithoxus tigris
L258		Parancistrus sp.
L259	LDA32	Pseudancistrus sp.
L260		Hypancistrus sp.	Queen Arabesque pleco
L261		Ancistrini sp.
L262		Hypancistrus sp.
L263		Leporacanthicus sp.
L264		Leporacanthicus joselimai	Sultan pleco
L265		Peckoltia sp.
L266		Hypostomus sp.
L267		Ancistrus sp.
L268		Ancistrini sp.
L269		Ancistrini sp.
L270	L307, LDA76	Hypancistrus sp.	Chocolate zebra pleco, Tapajos zebra pleco
L271		Panaque sp.
L272		Panaque sp.
L273		Pseudacanthicus sp.	Titanicus pleco
L274		Baryancistrus sp.
L275		Pseudacanthicus sp.
L278		Peckoltia sp.
L279	LDA58	Ancistrus sp.
L280		Ancistrini sp.
L281	L051	Hypostomus latifrons
L282		Pseudacanthicus sp.	King galaxy cactus pleco
L283		Pseudacanthicus sp.
L284		Hypostomus sp.
L285		Hypostomus sp.
L286		Hypostomus sp.
L287		Hypancistrus sp.
L288		Peckoltia sp.
L289		Ancistrus sp.
L290	L291	Hypostomus cf. horrida
L291	L290	Hypostomus cf. horrida
L292		Ancistrus sp.
L293		Ancistrus sp.
L294		Leporacanthicus cf. galaxias
L295	L211	Peckoltia sp.
L296		Panaque sp.
L297		Hypancistrus sp.
L298		Hypostomus sp.
L299		Pseudancistrus sp.
L300	Parancistrus nudiventris	Peppermint pleco
L301	L075, L124, LDA02	Hemiancistrus sabaji	Para Pleco
L302		Lasiancistrus sp.
L303		Hypostomus macushi
L304		Ancistrus sp.
L305	L121, L135	Peckoltia braueri	Worm line peckoltia
L306	LDA64	Panaque sp.
L307	L270, LDA76	Hypancistrus sp.	Chocolate zebra pleco, Tapajos zebra pleco
L308		Hypostomus sp.
L309		Ancistrus sp.
L310	LDA51	Hypostomus cochliodon
L311		Hypostomus sp.
L312	LDA71	Lasiancistrus cf. caucanus
L313		Pterygoplichthys sp.
L314	LDA56	Leporacanthicus sp.	Sultan pleco
L315		Spectracanthicus sp.
L316		Hypancistrus sp.	Jari zebra pleco
L318		Hypancistrus sp.
L319		Baryancistrus sp.
L320		Pseudacanthicus sp.
L321		Pseudancistrus sp.
L322		Lasiancistrus saetiger
L323		Baryancistrus sp.
L324		Baryancistrus sp.
L325		Ancistrus sp.
L326		Leporacanthicus sp.
L327		Ancistrus sp.
L328		Pseudolithoxus sp.
L329	LDA27, LDA28	Panaque sp.	Panaque Peru Orange Lyretail
L330	L027a	Panaque sp. cf. nigrolineatus	Watermelon pleco
L331		Hypostomus sp.
L332		Parancistrus sp.
L333		Hypancistrus sp.
L337		Lasiancistrus sp.
L338	LDA16	Ancistrus sp.
L339		Hypancistrus lunaorum
L340		Hypancistrus sp.	Mega clown pleco
L341		Panaque sp.
L342		Hypostomus sp.
L343		Pseudacanthicus sp.
L344		Ancistrus sp.
L345		Hypancistrus sp.
L346		Hypostomus sp.
L347		Pterygoplichthys sp.
L349	LDA45	Ancistrus sp.
L350		Ancistrini sp.	Coal pleco, Peruvian lyre-tail
L351		Panaque sp.
L352		Ancistrus sp.
L353		Oligancistrus sp.
L354		Oligancistrus sp.
L355		Ancistrus sp.
L356		Hypostomus sp.
L357		Ancistrus sp.
L358		Peckoltia sp.
L359		Ancistrus sp.
L360		Hypostomus sp.
L361		Hopliancistrus sp.
L362		Scobinancistrus' sp.
L363		Oligancistrus sp.
L364		Baryancistrus sp.
L365		Lasiancistrus sp.
L366		Hypostomus sp.
L367		Hypostomus sp.
L368		Scobinancistrus sp.
L369		Ancistrus sp.
L370		Ancistrus sp.
L373		Oligancistrus sp.
L374		Panaque sp.
L375		Pseudacanthicus cf. spinosus
L376		Hypostominae sp.
L377		Peckoltia sp.
L378		Ancistrus sp.
L379		Hypostomus sp.
L380		Pseudacanthicus sp.
L381		Hypostomus sp.
L382		Peckoltia sp.
L383		Pseudancistrus sp.
L384		Baryancistrus sp.
L385		Pseudolithoxus sp.
L386		Lasiancistrus sp.
L387		Peckoltia sp.
L388		Hypostomus sp.
L389		Hypostomus sp.
L390		Hypostomus sp.
L391		Oligancistrus sp.
L392		Ancistrus sp.
L393		Ancistrus sp.
L394		Hypostomus sp.
L395		Panaque sp.
L396		Ancistrus sp.
L397		Panaque sp.
L398		Panaque sp.
L399		Hypancistrus sp.
L400		Hypancistrus sp.
L600	LDA73	Pseudacanthicus sp.