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🌊 Marine Least Concern 🌡️ Tropical

Helmet triplefin

Helcogramma kranos Fricke, 1997
Max Length
3.1 cm
Max Weight
-
Lifespan
-
Trophic Level
3
Depth
0–3 m
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Adults inhabit rocky coasts to 3 m depth . 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 kranos
Authority
Fricke, 1997
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
3.1 cm
Depth Range
0–3 m
Trophic Level
3
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 15 - 17; Dorsal soft rays (total): 9 - 10; Anal spines: 1; Anal soft rays: 18. : elongated.

🌀 Behaviour

Behavioural data for Helmet 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; demersal; depth range 0 - 3 m . Tropical Central Pacific: Indonesia.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00617 × L3.03 (TL)
Max TL
3.1cm
Dorsal Spines
16
Dorsal Rays
10
Anal Spines
1
Anal Rays
18

🌡️ 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
Fricke, 1997

👥 Community & Contribute

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