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🌊 Marine Least Concern 🌡️ Tropical

St Brandon's dottyback

Chlidichthys abruptus Lubbock, 1977
Max Length
4.7 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
0–21 m
Climate
Tropical
Resilience
-
Vulnerability
11.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

St Brandon's dottyback (Chlidichthys abruptus), first described by Lubbock, 1977 is a tiny fish in the family Pseudochromidae (order Perciformes). Adults typically reach 4.70 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 0 to 21 metres. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Chlidichthys abruptus
Authority
Lubbock, 1977
Habitat
Marine
Climate
Tropical
IUCN Status
LC
Max Length
4.7 cm
Depth Range
0–21 m
Trophic Level
3.4
Vulnerability
11.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 2; Dorsal soft rays (total): 21 - 22; Anal spines: 2 - 3; Anal soft rays: 12 - 13. Dorsal-fin rays II, 21-22 (usually II,22); anal-fin rays II-III,12-13 (usually III,13); predorsal scales extending to point ranging from vertical above anterior supraotic to just short of anterior interorbital pores; lateral scale series 42-48; ctenoid scales beginning at 2-6 transverse scale rows behind gill opening; orbital rim brown (orange to olive in life); and caudal fin 18.5-21.4 % SL .

🌀 Behaviour

Behavioural data for St Brandon's dottyback 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 - 21 m . Tropical endemic to Cargados Carajos.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.4±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00447 × L3.1 (TL)
Max TL
4.7cm
Dorsal Spines
2
Dorsal Rays
22
Anal Spines
3
Anal Rays
13

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2017

📊 Population Risk & Fisheries

Fishing Vulnerability
11.00/100
Low vulnerability
Trophic Level
3.4
Predator
Climate Zone
Tropical
Described By
Lubbock, 1977

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