Английская Википедия:Evermannichthys bicolor
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Evermannichthys bicolor (bicolored sponge goby) is a perciform species of fish in the family Gobiidae.[1] As their name suggests, fishes in this species live inside sponges and can be found in the Caribbean Sea.[1][2] The size of their populations are unknown, meaning it is not currently clear whether the bicolored sponge goby is in need of conservation.[3]
Description
Overall, the body of the bicolored sponge goby is elongate and thin.[2] The scale-covering and the number pores on the head is reduced, and generally measures 2 mm dorso-ventrally.[2] Their color is dark across the dorsal-most third of their bodies, the lower two thirds are pale, and the fins are generally clear.[1] The frenum, which connects the upper lip to the snout is reduced in size, though the upper lip and snout are separated.[1] The tongue has a notched edge.[1]
Distribution and habitat
This species is demersal living between 27 and 30 m below the surface of tropical oceans.[1] It can be found in the western Atlantic Ocean, especially near the island of Navassa, Jamaica, and Curaçao[3][2] Very little is known about the population numbers and conservation of this species, and it is considered data deficient by the IUCN.[3]
The bicolored sponge goby, as its name implies, lives inside sponges.[2] Specifically, it lives deep within the sponge, near the openings of the in-current canals.[2] The sponges provide protection for the bicolored sponge goby, as well as food, which is transported into the sponge via the in-current canals.[2] It is thought that this species spends its entire life in sponges, and that its eggs either drift into a sponge from open water or are laid directly within a sponge.[2]
Conservation
Bicolored sponge gobies are considered data deficient by the IUCN, meaning that estimations of the total number of individuals and the trend of the population through time is unknown.[3] The species is not used by humans in any way, and no threats to them have been identified.[3] While no specific actions have been taken to conserve this species, many portions of their native range (including their type locality) are protected areas.[3]
References
External links
- ↑ 1,0 1,1 1,2 1,3 1,4 1,5 Thacker, C. E. 2001 (19 Apr). Evermannichthys bicolor, a new goby (Teleostei: Perciformes: Gobioidei) from Navassa Island. Contributions in Science (Los Angeles) No. 490: 1-5.
- ↑ 2,0 2,1 2,2 2,3 2,4 2,5 2,6 2,7 Patzner, R.A., J.L. Van Tassell, M. Kovačić and B.G. Kapoor, 2011. The biology of gobies. Enfield, NH : Science Publishers ; Boca Raton, FL : Distributed by CRC Press, 685 p. Шаблон:ISBN. Шаблон:Doi
- ↑ 3,0 3,1 3,2 3,3 3,4 3,5 Ошибка цитирования Неверный тег
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