Scopelarchus analis, the short fin pearleye or blackbelly pearleye,[1] is a species of ray-finned fish that can be found circumglobal in warm waters.[2] It is a member of the Scopelarchus, a genus of pearleyes.
| Scopelarchus analis | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Aulopiformes |
| Family: | Scopelarchidae |
| Genus: | Scopelarchus |
| Species: | S. analis
|
| Binomial name | |
| Scopelarchus analis (Brauer, 1902)
| |
| Synonyms | |
|
Dissomma anale Brauer, 1902 | |
Size
editThis species reaches a max length of 12.6 cm (4.96 in).[3]
Biology
editIt has a unique cylindrical eye that it is directed dorsally. This allows the fish to gain a binocular view of the water column above.[4] The fish also possesses a unique adaptation where it has multiple retinae. The primary retina is located at the base of the cylinder, an accessory retina along the nasal wall, and between the two is a retinal diverticulum.[4]
References
edit- ^ a b Bannermann, P.; Nunoo, F.; Poss, S.; Russell, B. (2015). "Scopelarchus analis". IUCN Red List of Threatened Species. 2015: e.T190316A15603060. doi:10.2305/IUCN.UK.2015-4.RLTS.T190316A15603060.en. Retrieved 7 July 2024.
- ^ Davis, Matthew P. (March 2015). "Evolutionary Relationships of the Deep-Sea Pearleyes (Aulopiformes: Scopelarchidae) and a New Genus of Pearleye from Antarctic Waters". Copeia. 103 (1): 64–71. doi:10.1643/CI-14-139. ISSN 0045-8511.
- ^ Johnson, Robert Karl (1974). "Five New Species and a New Genus of Alepisauroid Fishes of the Scopelarchidae (Pisces: Myctophiformes)". Copeia. 1974 (2): 449–457. doi:10.2307/1442536. ISSN 0045-8511. JSTOR 1442536.
- ^ a b Pointer, Marie A.; Carvalho, Livia S.; Cowing, Jill A.; Bowmaker, James K.; Hunt, David M. (2007-08-15). "The visual pigments of a deep-sea teleost, the pearl eye Scopelarchus analis". Journal of Experimental Biology. 210 (16): 2829–2835. doi:10.1242/jeb.006064. ISSN 1477-9145. PMID 17690230.