Description

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Dorsal spines (total): 6 - 7; Dorsal soft rays (total): 10; Anal spines: 1; Anal soft rays: 8. Characterized by pale greyish to light brown body color with brown mottling on back; midside with horizontal row of five brown blotches or clusters of smaller spots; caudal fin with scattered iridescent green flecks and submarginal dark band; first dorsal fin spines elongate and filamentous in male; rounded caudal fin, equal or slightly longer than head; longitudinal scale series 32; predorsal scales behind eyes; fully scaled opercle; upper half of cheek scaled; depth of body 3.5-3.8 in SL (Ref. 90102).

Common Names

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Mangrove goby , English , Micronesia

Robust mangrove goby , English , Australia

Kasumihaze , Japanese , Japan

紫鰭細棘鰕虎魚 , Mandarin Chinese , China

紫鳍细棘鰕虎鱼 , Mandarin Chinese , China

Bia , Tagalog , Philippines

Biyang sapa , Tagalog , Philippines

Taxonomic Hierarchy

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Kingdom: Animalia

Phylum: Chordata

Class: Teleostei

Order: Gobiiformes

Family: Gobiidae

Genus: Acentrogobius

Species: Acentrogobius janthinopterus (Bleeker, 1853)

Climate Zone

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Tropical

Location

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Indo-Pacific: from the Eastern Indian Ocean: Indonesia (Ref. 7050) and western Australia (Ref. 49596) to Western Pacific: Japan, Philippines and Indonesia.

Biology

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Inhabits mud bottoms of estuaries, marine lakes and occasionally in the vicinity of reefs (Ref. 90102). Common in marine lakes (Ref. 37816).

Habitat

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freshwater