Allen's shrimpgoby (Tomiyamichthys alleni) is a ray-finned fish of the family Gobiidae. It inhabits marine (saltwater) waters in benthic environments. This species can reach a maximum total length of 3.8 cm. It occurs at depths between 15 and 40 metres. With a trophic level of 3.2, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Data Deficient on the IUCN Red List.
Dorsal spines (total): 6 - 7; Dorsal soft rays (total): 10; Anal spines: 1; Anal soft rays: 10. Characterized by pale grey color on back, ventrally white; upper side from nape to caudal peduncle with 4-5 irregular brown blotches/saddles; head and body with scattered dark-edged orange spots; oblique black band under eye; orange spots on first and second dorsal fins; 2-3 dark spots near margin of first dorsal fin; triangular first dorsal fin, first two dorsal spines prolonged; united pelvic fins, well developed frenum present; longitudinal scale series 25-50; head without scales; cycloid scales covering body; greatest depth of body 5.0-5.6 in SL; rounded caudal fin, shorter than head length; absence of posterior oculoscapular sensory canal .: elongated.
Behavioural data for Allen's shrimpgoby is currently being reviewed.
Diet information for Allen's shrimpgoby is currently being compiled.
Reproduction data for Allen's shrimpgoby is currently being compiled.
Marine; demersal; non-migratory; depth range 15 - 40 m . Subtropical
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .
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