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Lepadichthys

Authors :: Craig, Matthew T.
Bogorodsky, Sergey V.
Randall, John E.
Mal, Ahmad O.
Publication Year :: 2015
Publisher :: Zenodo, 2015.
Abstract: Key to the species of Lepadichthys 1 a. Dorsal-fin rays 14��17; anal-fin rays 11��15.................................................................. 2 1 b. Dorsal-fin rays 9��13; anal-fin rays 8��11.................................................................... 6 2 a. Dorsal and anal fins not joined to caudal fin; pectoral-fin rays 23; head not broad, head width 6.5 in SL; two oblique bluish white lines on postorbital head; top of snout with a broad white stripe........................ L. bilineatus n. sp. (Oman) 2 b. Both dorsal and anal fins, or dorsal fin only, joined to caudal fin; pectoral-fin rays 26��28; head moderately broad, head width 4.7��6.2 in SL; color not as above......................................................................... 3 3 a. Dorsal-fin rays 14; dorsal fin only joined to caudal fin; 6 gill rakers on second gill arch............................................................................................... L. ctenion Briggs & Link (NW Indian Ocean) 3 b. Dorsal-fin rays 15��17; both dorsal and anal fins joined to caudal fin; 8��14 gill rakers on second gill arch................ 4 4 a. Disc medium, its length 4.9��5.8 in SL; 10��14 gill rakers on second gill arch................ L. frenatus Waite (W. Pacific) 4 b. Disc moderately small, its length 6.0�� 7.6 in SL; 8��9 gill rakers on second gill arch.................................. 5 5 a. Upper attachment of gill membrane opposite 4 th to 7 th pectoral-fin ray; head width 4.6 ��5.0 in SL; postdorsal-caudal distance 3.4��3.8 in dorsal-fin length............................................... L. sandaracatus Whitley (W. Australia) 5 b. Upper attachment of gill membrane opposite 9 th pectoral-fin ray; head width 5.2��6.2 in SL; postdorsal-caudal distance 6.4��7.3 in dorsal-fin length...................................................... L. erythraeus Briggs & Link (Red Sea) 6 a. Pectoral-fin rays 16��17; disc very small, its length 9.0 in SL; head and body white with two longitudinal dark red stripes.......................................................................... L. akiko Allen & Erdmann (W. Papua) 6 b. Pectoral-fin rays 25��30; disc length 4.0�� 8.2 in SL; color not as above............................................ 7 7 a. Upper attachment of gill membrane opposite 7 th to 9 th pectoral-fin ray........................................... 8 7 b. Upper attachment of gill membrane opposite 10 th to 15 th pectoral-fin ray........................................ 10 8 a. Dorsal and anal fins confluent with caudal fin; postdorsal-caudal distance 4.0�� 4.5 in dorsal-fin length; disc length 4.0�� 5.3 in SL........................................................................ L. springeri Briggs (Philippines) 8 b. Dorsal and anal fins not joined to caudal fin; postdorsal-caudal distance 1.3��2.8 in dorsal-fin length; disc length 5.4 ��6.0 in SL.................................................................................................... 9 9 a. Postdorsal-caudal distance 2.7��2.8 in dorsal-fin length; 11��16 gill rakers on second gill arch............................................................................................. L. coccinotaenia Regan (W. Indian Ocean) 9 b. Postdorsal-caudal distance 1.3��1.8 in dorsal-fin length; 8 gill rakers on second gill arch.. L. caritus Briggs (W. Indian Ocean) 10 a. Dorsal-fin rays 12; anal-fin rays 10; disc length 8.2 in SL.......................... L. bolini Briggs (Indo-West Pacific) 10 b. Dorsal-fin rays 9��11; anal-fin rays 8��9; disc length 5.1��5.7 in SL.............................................. 11 11 a. Anus much closer to anal-fin origin than to rear margin of disc; disc length 5.5��5.7 in SL; 8 sharp gill rakers on second gill arch........................................................ L. lineatus Briggs (Red Sea and Indo-West Pacific) 11 b. Anus about halfway between anal-fin origin and rear margin of disc; disc length 5.1��5.3 in SL; 5 shallow gill rakers on second gill arch....................................................................... L. minor Briggs (W. Pacific)<br />Published as part of Craig, Matthew T., Bogorodsky, Sergey V., Randall, John E. & Mal, Ahmad O., 2015, Lepadichthys bilineatus, a new species of clingfish from Oman (Teleostei: Gobiesocidae), with a redescription of Lepadichthys erythraeus Briggs and Link from the Red Sea, pp. 113-122 in Zootaxa 3990 (1) on pages 121-122, DOI: 10.11646/zootaxa.3990.1.6, http://zenodo.org/record/238553