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🌊 Marine Least Concern 🌡️ Tropical

Rosy triplefin

Helcogramma rosea Holleman, 2006
Max Length
3.3 cm
Max Weight
-
Lifespan
-
Trophic Level
3
Depth
0–10 m
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Adults are found in coral reefs at depths of 10 m or shallower . 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
Helcogramma rosea
Authority
Holleman, 2006
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
3.3 cm
Depth Range
0–10 m
Trophic Level
3
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 16; Dorsal soft rays (total): 11; Anal spines: 1; Anal soft rays: 18 - 20; Vertebrae: 35 - 37. : elongated.

🌀 Behaviour

Behavioural data for Rosy triplefin is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

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

🌍 Habitat & Distribution

Marine; reef-associated; depth range 0 - 10 m . Tropical Indian Ocean: Sri Lanka and the Andaman Sea.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00617 × L3.03 (TL)
Max TL
3.3cm
Dorsal Spines
16
Dorsal Rays
11
Anal Spines
1
Anal Rays
19
Vertebrae
36

🌡️ 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
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Holleman, 2006

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