Blenniella bilitonensis
species of fish
The biliton blenniella (Blenniella bilitonensis), also known as the biliton rockskipper, is a small saltwater fish species found in the intertidal zone throughout the southwestern Pacific Ocean. It is a member of the family Blenniidae, or the “combtooth blennies.” The species was first described in 1858 by Peter Bleeker, on Biliton Island in Indonesia from which the species gets its name.
Species description
Adult biliton blenniella are small fish that grow to a maximum length of 16 cm, although most individuals are under 9 cm. Their coloration varies across its range, but most specimens are mottled shades of tan and olive-brown, often with darker brown barring down the sides. Combtooth blennies as a family are known for living in and around rocky tidepools, often spending periods of time completely out of the water and jumping around on rocks. Identification to species in this group is challenging and requires close inspection of a variety of physical and anatomical characteristics.
Biliton blenniella has many rays and spines running down the length of its dorsal side, ranging between 12 and 14 spines on the dorsal fin, and 19-22 soft rays on the dorsal fin. The anal fin is similar, with two spines and 18-22 soft rays. Biliton blenniella typically have 14 rays per pectoral fin, with a range of 13–15. The caudal fin has 10-14 procurrent rays and 11-13 segmented rays.
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This entry incorporates text from “Blenniella bilitonensis” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.