Arenigobius Bifrenatus
📖 Overview
Facultative air-breathing ; Found in muddy coastal areas to upper estuaries, rocky reefs, in sea grass beds and mangroves .
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 7; Dorsal soft rays (total): 10 - 11; Anal spines: 1; Anal soft rays: 10. Distinguished by the following characters: body colour light brown; two oblique dark bands originating on head below eye, the upper degenerating into diffuse purplish brown blotches from the pectoral to caudal peduncle; black stripe arising at the pectoral insertion and running along lower body before breaking into small black spots above anal fin; dorsal fins with a horizontal dark band near the base; dark blue mark on membrane distally between first and second rays of D2; iridescent irregular blue blotches along flanks; three or more approximately vertical bands on upper caudal; vertebrae 10+15 (vertebral counts taken from radiograph); body cylindrical; snout blunt; eyes large, and close together dorsally; origin of pectorals under posterior margin of operculum; caudal oval and elongate; 7th pectoral ray extended into a filament; pelvics united into cup-shaped disc with branched rays; origin of pelvics covered by a loose sheath of skin; scales cycloid on belly and dorsally to second dorsal origin; posterior lateral scales peripheral ctenoid; head and predorsal region naked .: elongated.
🌀 Behaviour
Behavioural data for Arenigobius Bifrenatus is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Marine; brackish; demersal; depth range 0 - 1 m . Subtropical West Pacific: endemic to southern Australia.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🌐 Names & Taxonomy
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Acentrogobius bifrenatus | Kner | 1865 | Synonym |
| Gobius bassensis | Castelnau | 1872 | Synonym |
| Gobius bifrenatus | Kner | 1865 | Synonym |
| Gobius castelnaui | Macleay | 1881 | Synonym |
| Gobius caudatus | Castelnau | 1873 | Synonym |
| Gobius filamentosus | Castelnau | 1875 | Synonym |
| Gobius infaustus | Sauvage | 1880 | Synonym |
🦠 Common Diseases
The following diseases are known to affect Arenigobius Bifrenatus.
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .
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