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A New Tribe (Phenablenniini) and Genus (Phenablennius) of Blenniid Fishes Based on Petroscirtes heyligeri Bleeker
Victor G. Springer and William F. Smith-Vaniz
Vol. 1972, No. 1 (Mar. 8, 1972), pp. 64-71
Stable URL: http://www.jstor.org/stable/1442782
Page Count: 8
You can always find the topics here!Topics: Animal fins, Bones, Holotypes, Freshwater fishes, Swim bladder, Vertebrae, Spine, Fish, Cranium, Canals
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The tribe Phenablenniini, containing only Phenablennius new genus, is distinguished from all other blenniid tribes in having the following combination of characters: postcleithrum, single, well-developed and removed from cleithrum; basisphenoid greatly reduced, weakly attached; pterosphenoid probably present but reduced and removed from external surface of cranium; interopercle without ventroposterior spur; three segmented pelvic fin rays; all fin rays simple; no swimbladder in adults. The first two characters are unique in the Blenniidae, in which the basisphenoid is otherwise well developed or absent and there are two normal postcleithra or one to three fragments of bone in the position of the postcleithra. Phenablennius is most similar in appearance to the Omobranchini, with which it can be confused easily. It differs from the Omobranchini most obviously in having three, rather than two, segmented pelvic fin rays, and 14, rather than 15-27, segmented dorsal fin rays. Phenablennius is known definitely only from Sumatra and Cambodia.