Nomura's Dwarfgoby, Trimma nomurai Suzuki & Senou 2007

Other Names: Lilac Pygmygoby

Nomura's Dwarfgoby, Trimma nomurai, on the Birds Head Peninsula, West Papua, Indonesia. Source: Mark Erdmann / FishBase. License: All rights reserved

A pale lilac dwarfgoby with 3 bright yellow stripes along the body, yellow stripes along the dorsal, caudal and anal fins, and a large rounded dark blotch above the pectoral fin.

Cite this page as:
Bray, D.J. 2018, Trimma nomurai in Fishes of Australia, accessed 18 Jan 2019,

Nomura's Dwarfgoby, Trimma nomurai Suzuki & Senou 2007

More Info


Glomar Shoal, North West Shelf, Western Australia, off Ashmore Reef, Timor Sea, and off North Reef, Queensland, in depths of 80-111 m. Elsewhere the species occurs in the tropical, east-Indo-west-central Pacific, at depths of 20-70 m.
Inhabits areas with coarse sand, rubble and macrophytic algae on relatively deeper reefs than most species of the genus Trimma.


Dorsal-fin rays VI-I, 8-9; Anal-fin rays I, 8-9; Pectoral-fin rays 19; Pelvic-fin rays I, 5; Caudal-fin segmented rays 9+8, branched rays 6+5; Longitudinal scales 22-23; Anterior transverse scales 6-6.5; Posterior transverse scales 5-6.5; Predorsal scales 5-6; P-V 3/II II I I 0/9; vertebrae 10+16=26; Gill rakers 4+11.
Predorsal scales 5-6; second spine of first dorsal fin elongate and filamentous; middle 9-15 (of 19) rays of pectoral fin branched; fifth pelvic-fin ray branched, 72-90% of fourth ray in length; height of connecting membrane between innermost pelvic-fin rays 28% of length of fifth ray; interorbital and postorbital trenches deep; longitudinal scales 22-23; opercular scales absent.


The species is named nomurai  for Mr.Tomoyuki Nomura, who provided the holotype.

Species Citation

Trimma nomurai Suzuki & Senou 2007, Bull. Nat. Mus. Nat. Sci. Series A Supplement 1: 180, figs 3-4. Type localiity: Nakanose-higashi, le-jima Island, Okinawa Group, Ryuku Islands, Japan. 


Bray, D.J. 2018


Australian Faunal Directory

Nomura's Dwarfgoby, Trimma nomurai Suzuki & Senou 2007


Allen, G.R. & Erdmann, M.V. 2012. Reef fishes of the East Indies. Perth : Tropical Reef Research 3 vols, 1260 pp.

Greenfield, D. 2016. Trimma nomurai. The IUCN Red List of Threatened Species 2016: e.T193241A2213453. Downloaded on 07 August 2018.

Kuiter, R.H. & Tonozuka, T. 2001. Pictorial guide to Indonesian reef fishes. Part 3. Jawfishes - Sunfishes, Opistognathidae - Molidae. Melbourne : Zoonetics pp. 623–893. (as Trimma sp. 3)

Suzuki, T. & Senou, H. 2007. Two new species of the gobiid fish genus Trimma (Perciformes: Gobioidei) from southern Japan. Bulletin of the National Museum of Nature and Science Series A Supplement 1: 175-184

Winterbottom, R. & Hoese, D.F. 2015. A revision of the Australian species of Trimma (Actinopterygii, Gobiidae), with descriptions of six new species and redescriptions of twenty-three valid species. Zootaxa 3934: 1-102

Quick Facts

CAAB Code:37428429

Conservation:IUCN Least Concern

Depth:20-110 m

Habitat:Reef associated

Max Size:2 cm SL

Species Image Gallery

Species Maps

CAAB distribution map