Papers/Abstracts

Two new gobiid fish species in Trimma and Trimmatom from the Indian and Western Pacific Oceans

Richard Winterbottom

aqua, International Journal of Ichthyology, pp. 19-24, Volume 5, Issue 1 – November 2001

Abstract

Two new gobiid fish species are described. Trimma stobbsi has no scales in the predorsal midline, a slight interorbital trench, unbranched fifth pelvic fin ray, and a distinct dark spot above and just anterior to the posterodorsal corner of the operculum. Trimmatom pharus has a scaled body, a reduced (20% or less of the length of fourth ray) and unbranched fifth pelvic fin ray, and the first four pelvic fin rays branched. Numerous dark bars (red in life) are present on head and body. Trimmatom pharus is considered to be part of the T. eviotops species group. Both new species are found in the Indian and western Pacific Oceans.

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REFERENCES

Winterbottom R. 1984. A review of the gobiid fish genus Trimma from the Chagos Archipelago, central Indian Ocean, with the description of seven new species. Canadian Journal of Zoology 62: 695-715.

Winterbottom R. 1989. A revision of the Trimmatom nanus species complex (Pisces, Gobiidae), with descriptions of three new species and redefinition of Trimmatom.

Canadian Journal of Zoology 67: 2403-2410. Winterbottom, R. 1995. Red Sea gobiid fishes of the genus Trimma, with the description of two new species. Revue francaise d’Aquariologie 22: 93-98.

Winterbottom R. & R. C. Anderson 1997. A revised checklist of the epipelagic and shore fishes of the Chagos Archipelago, Central Indian Ocean. Ichthyological Bulletin, Smith Institute 66: 1-28.

Winterbottom R. & R.C. Anderson 1999. Fishes of the Chagos Archipelago. In: Ecology of the Chagos Archipelago (Eds. C. R. C. Sheppard & R. C. Anderson) Linnaean Society Occasional Publications, London. 101-107.

Winterbottom R. & A.R. Emery 1981. A new genus and two new species of gobiid fishes (Perciformes) from the Chagos Archipelago, Central Indian Ocean. Environmental Biology of Fish, 6: 139-149.

Winterbottom R. & A.R. Emery 1986. Review of the gobiid fishes of the Chagos Archipelago, Central Indian Ocean. Royal Ontario Museum, Life Science Contributions (142): v+82 pp.

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