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Diadromous Least Concern 🌡️ Tropical

Blackspot snapper

Lutjanus ehrenbergii Peters, 1869
Max Length
35 cm
Max Weight
-
Lifespan
12 yrs
Trophic Level
3.6
Depth
5–20 m
Climate
Tropical
Resilience
Low
Vulnerability
19.00/100
Typical Length
20 cm
Depth Zone
reef

📖 Overview

Adults inhabit very shallow coastal habitats, often in large schools near freshwater run-offs . Juveniles often intertidal ; over sand, silt, or coral rubble bottoms, occasionally in mangrove-lined streams and estuaries They may enter freshwater to feed ; on small fish and invertebrates . This is a small species commonly utilized in subsistence fisheries and also seen in markets. Caught mainly with handlines, traps, and gill nets and are marketed mostly fresh .

Scientific Name
Lutjanus ehrenbergii
Authority
Peters, 1869
Habitat
Diadromous
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
35 cm
Lifespan
12 years
Depth Range
5–20 m
Latitude
18°S – 30°N
Trophic Level
3.6
Resilience
Low
Vulnerability
19.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 10; Dorsal soft rays (total): 13 - 14; Anal spines: 3; Anal soft rays: 7 - 9. This species is distinguished by the following characters: body moderately deep; greatest depth 2.5-3.0 in SL; preopercular notch and knob poorly developed; vomerine tooth patch triangular, with a medial posterior extension; gill rakers of first gill arch 6-7 + 10-14 - 16-21; caudal fin truncate to slightly emarginate; scale rows on back parallel to lateral line. Colour of back and upper sides dark brown, lower sides and belly whitish with a silver sheen; usually a series of 4-5 narrow yellow stripes on the sides below the lateral line; a distinct round, black spot on the back below the posterior part of the spinous portion of the dorsal fin . : fusiform / normal; Cross section: oval.

🌀 Behaviour

Behavioural data for Blackspot snapper is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

Size at Maturity
20.1cm TL

🌍 Habitat & Distribution

Marine; freshwater; brackish; reef-associated; depth range 5 - 20 m . Tropical; 30°N - 18°S, 31°E - 172°E West Pacific: Red Sea and East Africa to the Solomon east to Marshall Islands.

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish 🪸 Reef Associated
Trophic Level
3.6±0.53
🐠 Schooling

📐 Morphometrics

Length–Weight Relationship: W = 0.01479 × L2.96 (TL)
Max TL
35cm
Dorsal Spines
10
Dorsal Rays
14
Anal Spines
3
Anal Rays
8

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2016

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
19.00/100
Low vulnerability
Trophic Level
3.6
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Latitude Range
30°N – 18°S
Described By
Peters, 1869

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Lutianus ehrenbergi Peters 1869 Synonym
Lutjanus ehrevbergi Peters 1869 Synonym
Lutjanus oligolepis Bleeker 1873 Synonym
Mesoprion ehrenbergii Peters 1869 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 5 records indexed .

Occurrence density from GBIF View GBIF records ↗

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