Potato grouper
📖 Overview
Mainly found in deep reef channels and seamounts, in current prone areas . Juveniles may be found in tide pools . Feeds on reef fishes, skates, crabs, and spiny lobsters . Considered to be exceedingly territorial and very aggressive towards intruders. Vulnerable to spear fishers . Hand fed by divers in certain areas, but potentially dangerous to the inexperienced. In the Hong Kong live fish markets . Solitary (Ref 90102).
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 11; Dorsal soft rays (total): 14 - 15; Anal spines: 3; Anal soft rays: 8. Distinguished by the following characteristics: body depth contained 2.9-3.5 times in SL; head length 2.3-2.6 times in SL; slightly convex interorbital area; straight dorsal head profile; rounded or subangular preopercle, slightly enlarged serrae at angle; almost straight upper edge of operculum; posterior and anterior nostrils subequal in size; maxilla reaches to or beyond vertical at rear edge of eye; 2-6 rows of teeth on midlateral part of lower jaw .: fusiform / normal; Cross section: compressed.
🌀 Behaviour
Behavioural data for Potato grouper is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Marine; reef-associated; depth range 10 - 400 m . Tropical; 42°N - 32°S, 30°E - 157°E West Pacific: Red Sea and Persian Gulf to South Africa, north to Honshu and east to Papua New Guinea.
🌿 Ecology
reef fishes, skates, crabs, and spiny lobsters (Ref
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🎣 Angling Guide
- medium-heavy 7ft spinning rod
- 30-50 lb braid
- fluorocarbon leader
- grass flats
- oyster bars
- marsh drains
- deeper channel edges
Use barbless hooks, minimise air exposure, and revive fish head-first in current before release.
⚠️ Slot limits protect breeding-size fish. Verify daily bag limits.
📊 Population Dynamics
| Year | Region | Index | Notes |
|---|---|---|---|
| - | - | - |
🔍 Similar Species
👥 Community & Contribute
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