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🌊 Marine Least Concern 🌡️ Tropical

Barred triplefin

Enneapterygius clarkae Holleman, 1982
Max Length
2.7 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

This species is uncommon and very secretive. Adults live in sheltered lagoons with many nooks and crannies, in close association with hard corals . Eggs are hemispherical and covered with numerous sticky threads that anchor them in the algae on the nesting sites . Larvae are planktonic which occur primarily in shallow, nearshore waters .

Scientific Name
Enneapterygius clarkae
Authority
Holleman, 1982
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
2.7 cm
Trophic Level
3.1
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 14 - 15; Dorsal soft rays (total): 8 - 10; Anal spines: 1; Anal soft rays: 16 - 17; Vertebrae: 32 - 33. This species is distinguished by the following characters: D III + XI-XIII + 8-10 (usually III + XII + 9); A I, 16-17 (usually 16 rays); pectoral fin 15: usually 2+6+7; lateral line, pored scales 11-12, notched scales 20-22 (usually 22), notched segment starting next scale row below end of pored segment; total lateral scales 29-30; dentary pores 3 + 2 + 3 ; head length 3.3-3.9 and body depth 4.4-5.2 in SL; eye 2.8-3.6 in HL; nape scaled; belly with thin cycloid scales; a row of cycloid scales on pectoral fin base, parallel with margin of branchiostegal membrane; supratemporal sensory canal crescent-shaped; orbital cirrus length about half of pupil diameter and either rounded or divided; upper and posterior margins of orbits with fine serrations; first dorsal fin equal in height to second in females, about 10% higher in males; pelvic-fin rays are united for less than half their length, the longest ray reaching almost to vent; mouth slightly down-turned and reaches vertical through anterior of pupil; diagonal brown bars across body with reddish dorsal and caudal fins .: elongated.

🌀 Behaviour

Behavioural data for Barred triplefin is currently being reviewed.

🦐 Diet

Diet information for Barred triplefin is currently being compiled.

🥚 Reproduction

Reproduction data for Barred triplefin is currently being compiled.

🌍 Habitat & Distribution

Marine; demersal. Tropical east coast of Africa to northern KwaZulu-Natal.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.1±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00617 × L3.03 (TL)
Max TL
2.7cm
Dorsal Spines
15
Dorsal Rays
9
Anal Spines
1
Anal Rays
17
Vertebrae
33

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2010

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.1
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Holleman, 1982

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