Waigieu sea perch
📖 Overview
Waigieu sea perch (Psammoperca datnioides), first described by Richardson, 1848 is a medium-sized fish in the family Latidae (order Perciformes). Adults typically reach 21.40 cm in maximum length. It inhabits marine coastal and open-ocean environments. It occurs in Subtropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator.
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 8; Dorsal soft rays (total): 12; Anal spines: 3; Anal soft rays: 8. This species is diistinguished from P. waigiensis by the following set of characters: whole of head and body dense black or brownish colour; pored lateral-line scales same colour of other scales of body, not yellow-edged like P. waigiensis, same dark colour persisting even in preserved specimens; pored lateral-line scales, 49-54; hind margin of maxilla reaching vertically beyond center of eye when mouth is closed; pelvic-fin spine slightly longer than 4th dorsal spine; circumpeduncular scales 25-26; shallower body depth, 23-30% (mean 28%) of SL; greater number of scale rows above and below lateral line 6½ / 11½-12½; gill rakers 7 (including 6 rudiments) + 1 + (12-14 (3-4 rudiments) = 20-24 (9-10 rudiments); last dorsal-fin spine / penultimate dorsal-fin spine 0.9-1.1 .Cross section: compressed.
🌀 Behaviour
Behavioural data for Waigieu sea perch is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Marine; brackish; reef-associated. Subtropical West Pacific: Australia.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
📊 Population Risk & Fisheries
🔍 Similar Species
👥 Community & Contribute
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