68:
43:
257:
due to the rapid change in pressure. Consequently, when found at the surface they are usually already dead or die within minutes, although a minority may be saved by a special method where a needle is used to reduce the internal pressure. Very small numbers have subsequently been kept in
237:), and essentially blind as adult, as their eyes are covered in a thick layer of skin (only retain a slight sensibility to light). This is entirely unique among cichlids and an adaption to the perpetual darkness of its habitat, similar to the adaptions seen in
247:
is almost only known from the mainstream of the lower Congo River in the vicinity of Bulu; however very small numbers have been found up to 20–30 km (12–19 mi) upstream or downstream from this site. The relatively high number of
252:
that have been found at Bulu is likely due to the unique features at this site, where fast currents go from deep parts of the river to the upper parts. These may on occasion "catch" a deep water fish and force it up, also resulting in
955:
229:
in
Central Africa, where it is believed to live in depths as great as 160 m (520 ft) or 200 m (660 ft) below the surface. It reaches up to about 12.5 cm (5 in) in
422:
806:
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845:
945:
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819:
619:
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420:
Rough waters: one of the world's most turbulent rivers is home to a wide array of fish species. Now, large dams are threatening their future.
271:
Among other fish species with similar adaptations (reduced eyes and non-pigmented) found in similar habitats in the Congo River are an
518:
935:
884:
950:
481:; Alter, S.A. (2021). "Evolution in the Fast Lane: Diversity, Ecology, and Speciation of Cichlids in the Lower Congo River".
824:
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347:
902:
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262:. Based on these, its behavior is essentially similar to that of its "normal-looking" relatives, like
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178:
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230:
547:
Lucanus, Oliver (March–April 2014). "Aquatic Travel: Blind fishes from the Congo river".
669:
642:
109:
47:
643:"Molecular phylogenetics reveals convergent evolution in lower Congo River spiny eels"
620:"The Mexican Blind Cave Fish Isn't the Only Troglodytic Fish Available to Fishkeepers"
593:
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382:
373:
52:
746:
119:
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226:
139:
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233:, with females being somewhat smaller than males, is all whitish in color (non-
659:
292:
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79:
678:
569:
Lucanus, Oliver (2013). "First Notes on the
Husbandry of the Blind Cichlid
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527:
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222:
129:
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89:
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241:. The eyes of juveniles are rudimentary and not covered by skin.
759:
692:
268:. They have laid eggs in aquaria, which however did not hatch.
956:
Endemic fauna of the
Democratic Republic of the Congo
483:
The
Behavior, Ecology and Evolution of Cichlid Fishes
442:"Dying Fish Revealed Congo Is World's Deepest River"
701:
351:lives in shallow water in the exact same region as
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397:10.2305/IUCN.UK.2010-3.RLTS.T182930A8005445.en
564:
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8:
355:, but it has normal pigmentation and eyes.
689:
41:
20:
668:
658:
395:
225:fish from areas with fast current in the
364:
440:Weisberger, Mindy (12 January 2020).
7:
926:IUCN Red List data deficient species
903:65D0B75C-9762-41DB-ABFF-9C1736A92CA8
877:E8C6120E-F3C8-AA99-7691-35C12D698B1D
417:Norlander, Britt (April 20, 2009).
383:IUCN Red List of Threatened Species
14:
637:Elizabeth Alter, S.; Brown, B.;
598:Subterranean Fishes of the World
209: Probably extant (resident)
66:
946:Taxa named by Donald J. Stewart
618:Lucanus, Oliver (17 May 2012).
941:Taxa named by Tyson R. Roberts
622:. Fish Channel. Archived from
1:
491:10.1007/978-94-024-2080-7_4
972:
660:10.1186/s12862-015-0507-x
348:Lamprologus tigripictilis
194:
190:
168:
161:
63:Scientific classification
61:
39:
30:
23:
647:BMC Evolutionary Biology
592:Proudlove, P.S. (2022).
531:. February 2013 version.
517:; Pauly, Daniel (eds.).
936:Fauna of Central Africa
573:from the Congo River".
345:). The closely related
203: Extant (resident)
951:Fish described in 1976
308:Notoglanidium pallidum
594:"Lamprologus lethops"
390:: e.T182930A8005445.
372:Moelants, T. (2010).
324:Mastacembelus aviceps
278:Stomatorhinus microps
195:IUCN distribution of
485:. pp. 107–133.
733:Lamprologus lethops
703:Lamprologus lethops
571:Lamprologus lethops
521:Lamprologus lethops
376:Lamprologus lethops
314:Platyallabes tihoni
218:Lamprologus lethops
197:Lamprologus lethops
172:Lamprologus lethops
33:Conservation status
25:Lamprologus lethops
255:gas-bubble disease
913:
912:
859:Open Tree of Life
695:Taxon identifiers
549:Amazonas Magazine
500:978-94-024-2078-4
303:claroteid catfish
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639:Stiassny, M.L.J.
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626:on 3 March 2016.
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293:mochokid catfish
288:Gymnallabes nops
221:is a species of
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21:
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446:livescience.com
439:
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283:clariid catfish
231:standard length
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186:
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154:L. lethops
65:
57:
46:
42:
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17:
16:Species of fish
12:
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515:Froese, Rainer
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479:Stiassny, M.J.
459:
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425:2013-10-17 at
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110:Actinopterygii
107:
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48:Data Deficient
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448:. LiveScience
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430:Science World
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427:archive.today
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265:L. congoensis
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183:D. J. Stewart
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179:T. R. Roberts
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163:Binomial name
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624:the original
613:
601:. Retrieved
597:
587:
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575:Cichlid News
574:
570:
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482:
450:. Retrieved
445:
435:
418:
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401:. Retrieved
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346:
340:
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330:M. brichardi
328:
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317:), and four
312:
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273:elephantfish
270:
263:
249:
244:
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217:
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196:
171:
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153:
152:
140:
120:Cichliformes
24:
18:
931:Lamprologus
794:iNaturalist
727:Wikispecies
403:19 November
298:Chiloglanis
227:Congo River
141:Lamprologus
920:Categories
653:(1): 224.
581:(1): 6–11.
452:14 January
359:References
353:L. lethops
336:M. crassus
319:spiny eels
301:sp.), two
250:L. lethops
245:L. lethops
342:M. latens
235:pigmented
148:Species:
130:Cichlidae
86:Kingdom:
80:Eukaryota
812:11286350
768:FishBase
718:Q6425310
712:Wikidata
679:26472465
641:(2015).
528:FishBase
423:Archived
239:cavefish
126:Family:
100:Chordata
96:Phylum:
90:Animalia
76:Domain:
53:IUCN 3.1
898:ZooBank
890:1012781
864:3635702
851:2022011
786:2371679
670:4608218
603:19 June
260:aquaria
223:cichlid
136:Genus:
116:Order:
106:Class:
51: (
838:182930
825:648696
799:103994
760:214681
677:
667:
497:
207:
201:
185:, 1976
181:&
885:WoRMS
872:Plazi
807:IRMNG
747:3S4Q7
291:), a
281:), a
846:NCBI
833:IUCN
820:ITIS
781:GBIF
773:8617
675:PMID
605:2022
555:(2).
495:ISBN
454:2020
405:2021
388:2010
339:and
311:and
755:EoL
742:CoL
665:PMC
655:doi
487:doi
392:doi
922::
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673:.
663:.
651:15
649:.
645:.
596:.
579:22
577:.
561:^
551:.
537:^
525:.
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462:^
444:.
386:.
380:.
333:,
327:,
681:.
657::
607:.
553:3
523:"
519:"
503:.
489::
456:.
407:.
394::
378:"
374:"
321:(
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275:(
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