New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

🌊 Marine Data Deficient 🌡️ Tropical

Tiger dottyback

Pseudochromis tigrinus Allen & Erdmann, 2012
Max Length
5.1 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
42–50 m
Climate
Tropical
Resilience
High
Vulnerability
12.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Inhabits steep coral covered slope exposed to strong currents and frequent cold-water upwellings. Young individuals were associated with larger coral rubble pieces where they would hide and adults were with deep labyrinthine burrow under larger coral outcrops. Adults usually seen in pairs sharing the same burrow .

Scientific Name
Pseudochromis tigrinus
Authority
Allen & Erdmann, 2012
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
DD
Max Length
5.1 cm
Depth Range
42–50 m
Trophic Level
3.4
Resilience
High
Vulnerability
12.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 3; Dorsal soft rays (total): 25 - 27; Anal spines: 3; Anal soft rays: 15. This species is distinguished by the following characters: strong sexual dichromatism with colour of female light grey with yellow dorsal fin; male mainly white body color with 10-11 narrow black bars on side, forehead, upper back and dorsal fin bright yellow; palatine tooth patches more or less joined with posterolateral arms of vomerine tooth patch; scales in lateral series 37-40; circumpeduncular scales 16; pelvic-fin rays I,5; D III,25-27; A III,15; pectoral fin rays 18; upper procurrent caudal fin rays 6, lower procurrent caudal fin rays 6, total caudal fin rays 29 .: fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Tiger 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 42 - 50 m . Tropical Indian Ocean, Andaman Is.

🌿 Ecology

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

📐 Morphometrics

Length–Weight Relationship: W = 0.01148 × L2.95 (TL)
Max TL
5.1cm
Dorsal Spines
3
Dorsal Rays
26
Anal Spines
3
Anal Rays
15

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2024

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
12.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Allen & Erdmann, 2012

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Tiger dottyback ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.