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🌊 Marine Least Concern 🐠 Aquarium 🌡️ Tropical

Short-tail bristletooth

Ctenochaetus cyanocheilus Randall & Clements, 2001
Max Length
16 cm
Max Weight
-
Lifespan
-
Trophic Level
-
Depth
1–60 m
Climate
Tropical
Resilience
High
Vulnerability
21.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Inhabits inner to outer reef with rich coral growth, usually on upper part of slopes in 7-15 meters depth . Solitary or in groups, grazing on algae . Maximum depth reported taken from Ref. 128797.

Scientific Name
Ctenochaetus cyanocheilus
Authority
Randall & Clements, 2001
Habitat
Marine
Climate
Tropical
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
16 cm
Depth Range
1–60 m
Latitude
24°S – 28°N
Resilience
High
Vulnerability
21.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 8; Dorsal soft rays (total): 25 - 28; Anal spines: 3; Anal soft rays: 22 - 26. Color orangish brown to dark brown with bluish lines following scale rows; chest with bluish cast; head, anterior body above pectoral-fin base, and chest with very small pale yellowish spots; lips blue; orbit narrowly rimmed with dull yellow. Median fins dark brown, dorsal with bluish lines extending in from body. Young bright yellow. Lip margins smooth to finely papillate. Caudal fin emarginate .: short and / or deep; Cross section: compressed.

🌀 Behaviour

Behavioural data for Short-tail bristletooth 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 1 - 60 m , usually 7 - 15 m . Tropical; 28°N - 24°S, 115°E - 67°E south through the Philippines and Indonesia to the Great Barrier Reef and New Caledonia, east to Samoa in the South Pacific, to the Marshall Islands.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
🧍 Solitary

📐 Morphometrics

Length–Weight Relationship: W = 0.02291 × L2.97 (TL)
Max TL
16cm
Dorsal Spines
8
Dorsal Rays
27
Anal Spines
3
Anal Rays
24

🌡️ 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
21.00/100
Low vulnerability
Body Shape
Short and / or deep
Climate Zone
Tropical
Latitude Range
28°N – 24°S
Described By
Randall & Clements, 2001

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