Redspeckled Dwarfgoby, Eviota rubrisparsa Greenfield & Randall 2010


Other Names: Redsprinkled Pygmygoby

A Redspeckled Dwarfgoby, Eviota rubrisparsa, at Dauin, Central Visayas, Philippines, April 2015. Source: Klaus Stiefel / Flickr. License: CC by Attribution-NonCommercial

Summary:
A greyish semi-translucent goby speckled with small red spots, with a white internal stripe above the vertebral column interrupted by red dashes, an orange-red blotch on the gill cover, orange red spots and dashes on the head, and about six bars on the upper iris.
Eviota rubrisparsa has been previously confused with E. albolineata, a species found in central Oceania.

Cite this page as:
Dianne J. Bray, Eviota rubrisparsa in Fishes of Australia, accessed 23 Apr 2018, http://fishesofaustralia.net.au/Home/species/5023

Redspeckled Dwarfgoby, Eviota rubrisparsa Greenfield & Randall 2010

More Info


Distribution

Found at Christmas Island in the Australian EEZ. Occurs elsewhere in Indonesia, Papua New Guinea and the Solomon Islands.
Inhabits sandy-rubble bottoms in depths of 4-15 m.

Features

Dorsal fin VI + I, 9; Anal fin I, 8; Pectoral fin 16-19 (rays 11-18 often branched); Caudal fin (segmented rays) 16-17; Longitudinal scale series 25.

Dorsal/anal fin-ray formula 9/8; pectoral fin rays 16-19 (mean 18), 5-6 lower rays branched; cephalic sensory-pore system pattern I (complete); fifth segmented pelvic-fin ray 11.5-22% of fourth; branches on fourth pelvic-fin ray 5-7, 3 segments between branches; non-fimbriate genital papilla; dorsal fin filamentous (to 36.9% SL); body with no distinct large dark marks; anal fin and lower half of caudal fin dark; scattered melanophores behind eyes on nape; when alive, small red dots cover the body but these disappear when preserved in ethyl alcohol (Ref. 83982); characterized further by longitudinal scale series 25; ctenoid scales, none on head, nape, breast and pectoral fin base; body depth 4.7-5.6 in SL.

Etymology

The specific name rubrisparsa is from the Latin rubrum meaning 'red', and sparsus meaning 'sprinkled', in reference to the main live colour pattern of red dots.

Species Citation

Eviota rubrisparsa Greenfield & Randall, 2010, Proc. Cal. Acad. Sci. 61(3): 276, figs. 11-16. Type locality: 0.5 km S of Smith Point, Christmas Island, sand and dead coral [10°26'S, 105°40'E]. 

Author

Dianne J. Bray

Resources

Australian Faunal Directory

Redspeckled Dwarfgoby, Eviota rubrisparsa Greenfield & Randall 2010

References


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

Allen, G.R., Steene, R.C. & Orchard, M. 2007. Fishes of Christmas Island. Christmas Island : Christmas Island Natural History Association 2 edn, 284 pp. (p. 215, as Eviota albolineata)

Greenfield, D.W. & Randall, J.E 2010. Four new gobiid fishes of the genus Eviota from the western Pacific, with clarification of Eviota guttata and Eviota albolineata (Teleostei: Gobiidae). Proceedings of the California Academy of Sciences 61(3): 269-289.

Greenfield, D.W. & Tornabene, L. 2014. Eviota brahmi n. sp. From Papua New Guinea, with redescription of Eviota nigriventris (Teleostei: Gobiidae). Zootaxa 3793(1): 133-146.

Randall, J.E. 2005. Reef and shore fishes of the South Pacific. New Caledonia to Tahiti and the Pitcairn Islands. Honolulu : University of Hawaii Press 707 pp. (as Eviota albolineatai)

Quick Facts


CAAB Code:37428421

Depth:4-15 m

Habitat:Reef associated

Max Size:3 cm TL

Species Image Gallery

Species Maps

CAAB distribution map