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🌊 Marine Data Deficient 🌡️ Subtropical

Puzzling grouper

Hyporthodus perplexus Randall, Hoese & Last, 1991
Max Length
46.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.8
Depth
129–137 m
Climate
Subtropical
Resilience
Medium
Vulnerability
52.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Known from the holotype collected from F.I.V. 'Endeavour'. The absence of additional specimens may indicate an unusually deep habitat for this species.

Scientific Name
Hyporthodus perplexus
Authority
Randall, Hoese & Last, 1991
Habitat
Marine
Climate
Subtropical
Body Shape
Fusiform / normal
IUCN Status
DD
Max Length
46.5 cm
Depth Range
129–137 m
Trophic Level
3.8
Resilience
Medium
Vulnerability
52.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 11; Dorsal soft rays (total): 13; Anal spines: 3; Anal soft rays: 8. Distinguished by the following characteristics: depth of body contained 2.9 times in SL; head length 2.3-2.4 times in SL; snout length 3.8 times, eye diameter 6.0 times, interorbital width 6.8 times and suborbital depth 9.5 times in HL; slightly convex interorbital area; finely serrate preopercle, angle produced into a bulge bearing 7 moderately enlarged serrae; straight or nearly straight upper edge of operculum; ovate posterior nostrils, about twice the size of anterior nostrils; 2 rows of teeth on midlateral part of lower jaw .: fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Puzzling grouper is currently being reviewed.

🦐 Diet

Diet information for Puzzling grouper is currently being compiled.

🥚 Reproduction

Reproduction data for Puzzling grouper is currently being compiled.

🌍 Habitat & Distribution

Marine; demersal; depth range 129 - 137 m . Subtropical; 26°S - 30°S, 153°E - 157°E Northwest Pacific: known only from the holotype taken from Cape Moreton, Queensland, Australia.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.8±0.7

📐 Morphometrics

Length–Weight Relationship: W = 0.01318 × L3.04 (TL)
Max TL
46.5cm
Dorsal Spines
11
Dorsal Rays
13
Anal Spines
3
Anal Rays
8

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2016

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
52.00/100
Moderate-High vulnerability
Trophic Level
3.8
Predator
Body Shape
Fusiform / normal
Climate Zone
Subtropical
Described By
Randall, Hoese & Last, 1991

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