Nematogobius Maindroni
📖 Overview
Common in brackish waters of estuaries, but may migrate up rivers into freshwaters, often at considerable distance from the sea . Maximum reported standard length 65.1 mm (=78 mm TL) .
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 7; Dorsal soft rays (total): 11 - 12; Anal spines: 1; Anal soft rays: 9 - 10. Diagnosis: mental barbels long, nasal barbels shorter; 4-5 rows of teeth in upper jaw, teeth in outer row larger than teeth in inner rows, which are curved posteriorly; 4 rows of slightly recurved teeth in lower jaw, outer row with largest teeth, except for mid-lateral teeth of inner row, which are similar in size to teeth in outer row; operculum, suboperculum and suborbital region scaleless; nape with some (maximum 14) small cycloid predorsal scales in a narrow band, not extending anteriorly beyond level of preoperculum; scales on abdomen smaller than those on flanks; 30-34 (usually 33 or 34) ctenoid scales in a longitudinal series (including 2 scales on caudal fin base), and 10-12 (usually 11) in rearward transverse series; 1st dorsal fin: VI; 2nd dorsal fin: I,11-12; anal fin: I,9-10; pectoral fins: 18-19 (rarely 17); caudal fin with 16-17 segmented rays, 14-15 of which are branched . Coloration: Preserved specimens: light brown, with dark spots on flanks forming up to 10 irregular, dark cross bars, darkest at lateral midline; dorsal-fin rays with 3-4 spots, forming irregular longitudinal bands on fins; pectorals with a dark spot at upper part of base, distinct in life but fading after lengthy or poor preservation; caudal fin with spots forming vertical bands . In life: bands and spots on fins more distinct; body yellowish ventrally, yellowish brown dorsally; suborbital region with alternating yellow and dark patches .: fusiform / normal.
🌀 Behaviour
Behavioural data for Nematogobius Maindroni is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Marine; freshwater; brackish; demersal; amphidromous . Tropical; 20°C - 25°C
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🌐 Names & Taxonomy
| Language | Common Names |
|---|---|
| 🇫🇮Finnish | Senegalintokko |
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Gobius maindroni | Sauvage | 1880 | Synonym |
| Gobius mendroni | Sauvage | 1880 | Synonym |
| Gobius uaindroni | Sauvage | 1880 | Synonym |
| Nematogobius ansorgei | Boulenger | 1910 | Synonym |
| Nematogobius ansori | Boulenger | 1910 | Synonym |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 20 records indexed .
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