Trimma fasciatum Suzuki, Sakaue & Senou 2012


Summary:
A small yellow goby with four yellow bands (3-4 scales wide), a broad orange stripe through the middle of the dorsal and anal fins, a yellowish-orange caudal fin, a broad white margin on the dorsal and caudal fins, and brilliant blue eyes in life. The species has been recorded from the Australian territory of Christmas Island in the Indian Ocean.

Cite this page as:
Bray, D.J. 2017, Trimma fasciatum in Fishes of Australia, accessed 19 Jan 2018, http://fishesofaustralia.net.au/Home/species/5165

Trimma fasciatum Suzuki, Sakaue & Senou 2012

More Info


Distribution

Known from Christmas Island, Indian Ocean, Palau, the Ryukyu Islands, Japan, and Saipan Island, Northern Mariana Islands.
Inhabits drop-offs, caves and crevices in depths of 15 to 40 m. At Christmas Island, the species was seen singly or in pairs, swimming vertically or upside-down deep inside a large cave (Tan 2014).

Similar Species

Differs from other species in the genus Trimma in having the following combination of characters: 8 predorsal scales; no elongate and filamentous spine of first dorsal fin; all pectoral-fin rays unbranched; height of basal membrane between innermost pelvic-fin rays about 23% of length of fifth pelvic-fin ray; nape with 1, and body with 4, broad (3 to 4 scales wide) bright yellow-orange bands when fresh or alive (Tan 2014).

Etymology

The specific name fasciatum (= bands) is from Latin in reference to the yellow bands of body of this species.

Species Citation

Trimma fasciatum Suzuki, Sakaue & Senou, 2012, Bull. Nat. Mus. Nat. Sci. (Ser. A) Suppl. 6: 68, Figs 1-2. Type locality: Ngemlis Reef, Ngis Island, Palau, 7°08'17.0'N, 134°13'18.5"E, depth 30 m.

Author

Bray, D.J. 2017

Trimma fasciatum Suzuki, Sakaue & Senou 2012

References


Hobbs, J-P.A., S .J. Newman, G.E.A. Mitsopoulos, M.J. Travers, C.L. Skepper, J.J. Gilligan, G.R. Allen, H.J. Choat & A.M. Ayling. 2014. Checklist and new records of Christmas Island fishes: the influence of isolation, biogeography and habitat availability on species abundance and community composition. Raffles Bulletin of Zoology Supplement 30: 184–202. PDF

Suzuki, T., Sakaue, J. & H. Senou (2012) Two new species of the gobiid fish genus Trimma (Actinopterygii: Perciformes: Gobiidae) from Japan and Palau. Bulletin of the National Museum of Nature and Science, Series A (Zoology), Supplement 6: 67-77.

Tan, H.H. 2014. A new record of Trimma fasciatum Suzuki, Sakaue & Senou, 2012 (Perciformes: Gobiidae) from Christmas Island, Indian Ocean, Australia. The Raffles Bulletin of Zoology Supplement 30: 227-229. PDF

Quick Facts


CAAB Code:37428443

Depth:15-40 m

Habitat:Reef associated

Max Size:2.3 cm SL

Species Maps

CAAB distribution map