Istigobius decoratus (Herre, 1927)

Decorated goby

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Perciformes \| Gobiidae \| Gobiinae
Synonyms	Rhinogobius decoratus, Acentrogobius decoratus, Ctenogobius decoratus, ... more
Common names	Decorated sand-goby, Bia, Hoshi-kazarihaze, ... more

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Istigobius decoratus

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AquaMaps Data sources: GBIF OBIS

Main reference

Murdy, E.O. and D.F. Hoese. 1985. (Ref. 420)
Other references | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 13.0 cm TL male/unsexed; (Ref. 2798)

Environment

Reef-associated; marine; depth range 0 - 20 m (Ref. 9360), usually 1 - 18 m (Ref. 27115)

Climate / Range

Tropical; 23°C - 29°C (Ref. 27115); 30°N - 40°S

Indo-West Pacific: Red Sea to Samoa, north to Taiwan, south to Lord Howe Island.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 7; Dorsal soft rays (total): 10 - 11; Anal spines: 1; Anal soft rays: 9 - 11; Vertebrae: 26. Color highly variable. Segmented and non branching caudal rays 3 (rarely 2), branching 14 (rarely 15). Predorsal cycloid scales 7-10, trunk ctenoid. Few with no black spots on nape. Isthmus narrow, scaled forward to vertical at posterior part of preoperculum. 2 diagonal, dusky lines on operculum; an inverted U-shaped spot prominent at the distal end of upper jaw. Pectoral fin with small dusky spots; 2 longitudinal lines on pectoral base spreading onto it fin rays. Sexual dimorphism exhibited in anal, pelvic and 2nd dorsal fin.

A common species that inhabits areas of coralline sand of clear lagoon and seaward reefs (Ref. 9710, 48637). Found singly. Minimum depth from Ref. 58018.


IUCN Red List Status (Ref. 84930)	Threat to humans
Not Evaluated	Harmless

Human uses
Aquarium: commercial


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