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Bathygobius fuscus  (Rüppell, 1830)

Dusky frillgoby
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| Native range | All suitable habitat | PointMap | Year 2100 |
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Bathygobius fuscus   AquaMaps   Data sources: GBIF OBIS
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Image of Bathygobius fuscus (Dusky frillgoby)
Bathygobius fuscus
Picture by Randall, J.E.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Gobiidae (Gobies) > Gobiinae
Etymology: Bathygobius: Greek, bathys = deep + Latin, gobius = gudgeon (Ref. 45335).

Environment / Climate / Range Ecology

Marine; freshwater; brackish; reef-associated; amphidromous (Ref. 51243).   Tropical; 30°N - 30°S

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 12.0 cm TL male/unsexed; (Ref. 4343)

Short description Morphology | Morphometrics

Dorsal spines (total): 7; Dorsal soft rays (total): 9; Anal spines: 1; Anal soft rays: 8. Characterized further by pale yellowish brown color with large, irregular dark brown blotches on body; small, pale blue spots (one per scale) in longitudinal rows on body; dorsal and caudal fins with small blue spots, outer edge of dorsal fins broadly yellow; upper three pectoral rays partly free of membrane; rounded caudal fin; longitudinal scale series 29-36; predorsal scales 10-19, reaching from above middle of preopercle nearly to interorbital space; cheek and opercle without scales; ctenoid body scales, becoming cycloid on abdomen, breast and nape; depressed head, width greater than depth; depth of body 4.4-5.0 in SL (Ref. 90102).

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Indo-Pacific: Red Sea south to Bazaruto, Mozambique (Ref. 2798) and east to the Line and Tuamoto islands, north to South Korea and southern Japan, south to the southern Great Barrier Reef. Does not occur in the Hawaiian Islands (Ref. 7490).

Biology     Glossary (e.g. epibenthic)

Inhabits shallow rocky areas, often in pools of the intertidal zone (Ref. 2798). Occurs mostly in coastal areas. Also found in estuaries, tidal zones and often ascending into freshwater streams; smaller species live between branches of corals where they exploit several crustacean groups. Feeds on crustaceans, fish and algae (Ref. 92840). Sometimes seen as fresh catches at markets (Ref. 12693).

Main reference Upload your references | References | Coordinator | Collaborators

Hoese, D.F., 1986. Gobiidae. p. 774-807. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 2798)

IUCN Red List Status (Ref. 90363)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: minor commercial
FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00468 (0.00202 - 0.01083), b=3.27 (3.07 - 3.47), based on LWR estimates for this Subfamily-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.4   ±0.6 se; Based on diet studies.
Resilience (Ref. 69278):  .
Vulnerability (Ref. 59153):  Low to moderate vulnerability (25 of 100) .
Price category (Ref. 80766):   Very high.