Finespot Eviota, Eviota maculosa Greenfield, Tornabene & Erdmann 2018

Other Names: Dotted Dwarfgoby, Green Bubble Goby, Polkadot Dwarfgoby

A Finespot Eviota, Eviota punctulata, in the D'Entrecasteaux Islands, Papua New Guinea. Source: John E. Randall / FishBase. License: CC by Attribution-NonCommercial

A translucent bluish-green dwarfgoby with reddish-brown markings on the head and body, and black spots on fins. Larger males have distinctive large, round, black spots on the dorsal-fin spines, and similar spotting, although usually smaller on the second dorsal and caudal fins.
In Australia this species was previously misidentifed as Eviota punctulata, which is only known from Fiji.

Cite this page as:
Bray, D.J. 2021, Eviota maculosa in Fishes of Australia, accessed 02 Mar 2024,

Finespot Eviota, Eviota maculosa Greenfield, Tornabene & Erdmann 2018

More Info


Ashmore Reef, Timor Sea, and the northern Great Barrier Reef, Queensland. Elsewhere the species occurs in the tropical, west-central Pacific - Indonesia, eastwards to Australia and Pohnpei.


A species of Eviota with cephalic sensory-canal pore system lacking only an IT pore; dorsal/anal fin-ray formula 9/8; some pectoral-fin rays branched; fifth pelvic-fin ray present; urogenital papilla of male wide with straight smooth sides and many small papillae on end; no wedge-shaped mark at caudal-fin base and no dark spot over preural centrum; no distinct dark spots on pectoral-fin base; no postocular spot, but an oblong-to-teardrop-shaped mark dorsolaterally on head behind upper portion of eye; edges of scale pockets darkly pigmented; large round black spots on spines of first dorsal fin, about 1/3 pupil diameter, in larger males; large round spots usually on second dorsal and anal fins.

Similar Species

Differs from the similar Eviota punctulata from Fiji in having distinctive large, round, black spots on the dorsal-fin spines of males.


The specific name is from the Latin maculosa (= spotted), in reference to the distinctive large black spots on the first dorsal fin of males. 

Species Citation

Eviota maculosa Greenfield, Tornabene & Erdmann 2018, Journal of the Ocean Science Foundation 31: 20, figs 1-9. Type locality: Indonesia, West Nusa Tenggara, Sumbawa, Teluk Saleh, patch reef, 8.551°S, 118.067°E, reef crest, 2–6 m.


Bray, D.J. 2021


Atlas of Living Australia

Finespot Eviota, Eviota maculosa Greenfield, Tornabene & Erdmann 2018


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

Greenfield, D.W., Tornabene, L., Gómez-Buckley, M. & Erdmann, M.V. 2018. Eviota maculosa, a new dwarfgoby from the Western Pacific Ocean (Teleostei: Gobiidae). Journal of the Ocean Science Foundation 31: 18–31. doi:

Greenfield, D.W. & Winterbottom, R. 2016. A key to the dwarfgoby species (Teleostei: Gobiidae: Eviota) described between 1871 and 2016. Journal of the Ocean Science Foundation 24: 35-90 (in part as Eviota punctulata)

Jewett, S.L. & Lachner, E.A. 1983. Seven new species of the Indo-Pacific genus Eviota (Pisces : Gobiidae). Proceedings of the Biological Society of Washington 96(4): 780-806 figs 1-13 (in part as Eviota punctulata)

Myers, R.F. 1999. Micronesian Reef Fishes. A comprehensive guide to the coral reef fishes of Micronesia. Guam : Coral Graphics vi 330 pp. 192 pls. (as Eviota punctulata

Quick Facts

CAAB Code:37428310

Depth:1-10 m

Habitat:Reef associated

Max Size:17 mm SL

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