Eugnathogobius Siamensis

📖 Overview

Known only from freshwater habitats, including blackwater streams; found syntopically with Pseudogobiopsis ologactis . Occurs in lowland floodplain canals. Feeds on insects and other invertebrates . Adult females are about 1.0 cm smaller than males. Reported gravid female at 2.0 cm SL (from Kapuas River) with numerous eggs, 0.20 mm diameter, while gravid female at 2.29-2.43 cm SL (from Singapore) had noticeably smaller eggs, 0.15 mm diameter .

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 6 - 7; Dorsal soft rays (total): 6; Anal spines: 1; Anal soft rays: 6; Vertebrae: 10 - 17. Distinguished by the following characteristics: robustly built with second dorsal and anal rays always I, 6; pectoral rays 16-19; longitudinal scales 22-24; TRB 7-9; predorsal scales 6-8, large, reaching close up to behind eyes; preopercular pores absent, posterior portion of oculoscapular canal absent; scales on body mostly ctenoid; third spine of dorsal fin usually longest, but not elongate; head and body pale with margins of scales outlined in brown, row of brown midlateral blotches, three diagonal dark streaks on head and vertically barred caudal fin .

🌀 Behaviour

Behavioural data for Eugnathogobius Siamensis is currently being reviewed.

🦐 Diet

Diet information for Eugnathogobius Siamensis is currently being compiled.

🥚 Reproduction

Reproduction data for Eugnathogobius Siamensis is currently being compiled.

🌍 Habitat & Distribution

Freshwater; demersal. Tropical Recorded from Myanmar (Ref.

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

🛡️ Conservation Assessment

📊 Population Risk & Fisheries

🐠 Related Species

🔍 Similar Species

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