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One-blotch grouper

Epinephelus melanostigma Schultz, 1953
Max Length
54.9 cm
Max Weight
3.8 kg
Lifespan
-
Trophic Level
4
Depth
0–30 m
Climate
Tropical
Resilience
Medium
Vulnerability
44.00/100
Typical Length
25 cm
Depth Zone
reef

📖 Overview

Occur in outer reef flats and shallow lagoon . Reported to be taken in a trawl, thus presumably caught somewhat deeper than 7 m. Also reported to occur in reefs at a depth of about 30 m . Because of its small size and apparent rarity, it is of little or no commercial importance. Solitary (Ref 90102).

Scientific Name
Epinephelus melanostigma
Authority
Schultz, 1953
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
54.9 cm
Max Weight
3.8 kg
Depth Range
0–30 m
Latitude
34°S – 29°N
Trophic Level
4
Resilience
Medium
Vulnerability
44.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 11; Dorsal soft rays (total): 14 - 16; Anal spines: 3; Anal soft rays: 8. A single large black blotch along middle of dorsal fin base , which can be turned off ; further characterized by head, body and fins having numerous close-set polygon shaped dark brown spots; broad zone along side of body with ctenoid scales, cycloid scales elsewhere; body with auxiliary scales; greatest depth of body 2.9-3.4 in SL; rounded caudal fin; short pelvic fins, 2.0-2.6 in head length ; head length 2.2-2.4 in SL; flat or slightly concave interorbital area; rounded preopercle, serrae mostly covered by skin; straight or slightly convex upper edge of operculum; subequal posterior and anterior nostrils; maxilla reaches to or past vertical at rear edge of eye; 3-5 rows of teeth on midlateral part of lower jaw, inner teeth about twice as long as outer ones .: fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for One-blotch grouper is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

🌍 Habitat & Distribution

Marine; reef-associated; depth range 0 - 30 m . Tropical; 29°N - 34°S, 28°E - 157°W West Pacific: Natal, South Africa to the central Pacific.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
4±0.67
🧍 Solitary

📐 Morphometrics

Length–Weight Relationship: W = 0.01148 × L3.05 (TL)
Max TL
54.9cm
Max Weight
3,800g
Dorsal Spines
11
Dorsal Rays
15
Anal Spines
3
Anal Rays
8

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
44.00/100
Moderate vulnerability
Trophic Level
4
Apex / Top predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Latitude Range
29°N – 34°S
Described By
Schultz, 1953

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Black-spot Grouper · Blackspot Cod · Blackspot Grouper · Blackspot Honeycomb Gouper · Coral Cod · One-blotch grouper · Oneblotch Grouper · Schultz's Rockcod
🌍CES kanic tmavoskvrnný
🇫🇷French Loche Ponctuee · Merou Doussard · Mérou dossard
🇯🇵Japanese Sumitsukihata · スミツキハタ
🇵🇹Portuguese garoupa-espaldar
🇪🇸Spanish Mero Espaldaron
🌍THA ปลากะรังลายตาข่าย
🇨🇳Chinese 石斑 · 黑斑石斑魚 · 黑點石斑魚

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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