Solomons Goby, Grallenia solomonensis Allen & Erdmann 2017


Preserved holotype of the Solomons Goby, Grallenia solomonensis, WAM P.34617-001, a female from Guadalcanal, Solomon Islands. Source: Gerald R. Allen / FishBase. License: All rights reserved

Summary:
A very small goby with the live colour unknown. In preservative, the type specimens have conspicuous dark bands below the eye and across the gill cover, a pair of largish large black spots on the caudal-fin base, and  numerous black spots, streaks, and stellate markings on the dorsal surface of snout and nape.
Australia records of this species from Lizard Island, Queensland, had previously been called Grallenia lipi.

Cite this page as:
Bray, D.J. 2019, Grallenia solomonensis in Fishes of Australia, accessed 22 Sep 2020, http://136.154.202.208/home/species/5471

Solomons Goby, Grallenia solomonensis Allen & Erdmann 2017

More Info


Distribution

Lizard Island, Great Barrier Reef, Queensland, depth 6-15 m. Elsewhere the species occurs in the Solomon Islands.

Features

Dorsal fin VI–I,7, all segmented rays branched except first; Anal fin I,7, all segmented rays unbranched; Pectoral fin 16, all rays branched except uppermost and 5–6 lowermost; Pelvic fin I,5, all segmented rays with 2 branch points (except fifth ray with 3), fifth rays completely joined medially with membrane; pelvic frenum present, but weakly developed; Branched caudal-fin rays 11; segmented caudal-fin rays 15; upper unsegmented caudal-fin rays 7; lower unsegmented caudal-fin rays 7-8 (one paratype with 8); total longitudinal scales 10–12, consisting of 3–5 anterior scales and 5–7 posterior scales; gill rakers 2+7; vertebrae 27–28.
Cephalic sensory-canal pores present.
Body scales mostly restricted to caudal peduncle except for a single longitudinal row immediately behind the pectoral-fin base with only 3–5 scales.

Colour

Colour in life unknown. In preservative, the species is whitish with dark pigmentation, especially prominent markings include a pair of backward slanting bands below eye, forward slanting band across anterior opercle, and a pair of dark spots at base of caudal fin; dorsal surface of snout and nape with numerous black spots, streaks, and stellate markings, and dorsal scleral surface of each eye with a pair of broad black bands; dorsal fins generally translucent except blackish stripe at base of first dorsal fin and diffuse blackish stripe on lower third of second dorsal fin; anal and pelvic fins translucent with relatively dense covering of melanophores on membranes; melanophores also concentrated on breast and pectoral-fin base; caudal fin translucent.

Etymology

The species is named solomonensis with reference to the Solomon Islands type locality.

Species Citation

Grallenia solomonensis Allen & Erdmann 2017, Journal of the Ocean Science Foundation 27: 43, figs 3E, 20–21. Type locality: Guadalcanal, Aruhilo, Solomon Islands [09°17.222’S, 159°46.078’E].

Author

Bray, D.J. 2019

Resources

Solomons Goby, Grallenia solomonensis Allen & Erdmann 2017

References


Allen, G.R. & Erdmann, M.V. 2017. Description of five new species of marine gobies (Teleostei: Gobiidae) of the genus Grallenia from the tropical western Pacific Ocean. Journal of the Ocean Science Foundation 27: 20–47 http://dx.doi.org/10.5281/zenodo.842879 Open access

Allen, G.R. & Hammer, M.P. 2018. Grallenia larsonae, a new species of sandgoby (Pisces: Gobiidae) from northern Australia. Journal of the Ocean Science Foundation 31: 87-96. https://doi.org/10.5281/zenodo.1492882, open access

Quick Facts


CAAB Code:37428417

Depth:6-15 m

Habitat:Reef associated

Max Size:12.5 mm SL

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CAAB distribution map