Macrognathus Aureus
📖 Overview
Overview information for Macrognathus Aureus is currently being compiled by our editorial team.
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 21 - 22; Dorsal soft rays (total): 50 - 54; Anal spines: 3; Anal soft rays: 50 - 51; Vertebrae: 74 - 75. Macrognathus aureus is a member of the M. aculeatus species group. It differs from all other members of this species group by the following combination of characters: rostral tooth plates 8–10, dorsal-fin spines 21–22, and a unique colour pattern consisting of a series of large white rimmed dark-brown to black blotches along the dorsal fin and even larger black blotches along the lateral line, of which some are confluent with the dorsal series. In particular it differs from M. aral, M. lineatomaculatus, M. pentophthalmos, M. siamensis, M. tapirus, and M. aculeatus in having fewer rostral toothplates (8–10 vs 11–55), from M. pavo, M. morehensis, M siamensis, M. meklongensis, and M. pentophthalmos in having a greater number of dorsal-fin spines (21–22 vs 4–18). The only species of the M. aculeatus group with a similar range in the number of rostral tooth-plates and dorsal-fin spines is M. obscurus, from which the new species differs in its colour pattern (large white rimmed dark brown to black blotches along the dorsal fin and the lateral line, of which some are confluent with the dorsal series, vs minute or absent dorsal fin spots and absence of lateral line blotches) .: eel-like; Cross section: oval.
🌀 Behaviour
Behavioural data for Macrognathus Aureus is currently being reviewed.
🦐 Diet
Diet information for Macrognathus Aureus is currently being compiled.
🥚 Reproduction
Reproduction data for Macrognathus Aureus is currently being compiled.
🌍 Habitat & Distribution
Freshwater; benthopelagic. Tropical; 26°N - 25°N, 96°E - 97°E south of Mogaung, Kachin State, northern Myanmar (Ref.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
📊 Population Risk & Fisheries
🔍 Similar Species
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