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🌊 Marine Least Concern 🌡️ Tropical

Bicolor anthias

Nemanthias bicolor Randall, 1979
Max Length
13 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
5–68 m
Climate
Tropical
Resilience
High
Vulnerability
21.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Relatively uncommon inhabitant of lagoon patch reefs and outer reef slopes. Found in deep coastal to outer reef slopes, in current prone areas . Benthopelagic . It occurs in small groups above coral outcrops or near crevices or ledges.

Scientific Name
Nemanthias bicolor
Authority
Randall, 1979
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
13 cm
Depth Range
5–68 m
Latitude
22°S – 28°N
Trophic Level
3.4
Resilience
High
Vulnerability
21.00/100
Water Temp
22–27 °C
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 10; Dorsal soft rays (total): 16 - 18; Anal spines: 3; Anal soft rays: 7 - 8. Male has two yellow-tipped filaments heading the dorsal fin that are used for display . : fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Bicolor anthias 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 5 - 68 m , usually 5 - 50 m . Tropical; 22°C - 27°C ; 28°N - 22°S north to the Ryukyu Islands (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.4±0.45

📐 Morphometrics

Length–Weight Relationship: W = 0.01413 × L3 (TL)
Max TL
13cm
Dorsal Spines
10
Dorsal Rays
17
Anal Spines
3
Anal Rays
8

🌡️ Water Parameters & Tolerance

Temperature Range
22–27°C
Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2015

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
21.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Latitude Range
28°N – 22°S
Described By
Randall, 1979

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