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🌊 Marine Least Concern 🌡️ Tropical

Erdmann's Dottyback

Pseudochromis erdmanni Gill & Allen, 2011
Max Length
8.2 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
20–66 m
Climate
Tropical
Resilience
-
Vulnerability
19.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Erdmann's Dottyback (Pseudochromis erdmanni) is a ray-finned fish of the family Pseudochromidae. It inhabits marine (saltwater) waters in reef-associated environments. This species can reach a maximum total length of 8.2 cm. It occurs at depths between 20 and 66 metres. With a trophic level of 3.5, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Pseudochromis erdmanni
Authority
Gill & Allen, 2011
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
8.2 cm
Depth Range
20–66 m
Trophic Level
3.5
Vulnerability
19.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 3; Dorsal soft rays (total): 25 - 27; Anal spines: 3; Anal soft rays: 13 - 14. A species of Pseudochromis with the following combination of characters: palatine tooth patches inserted medially behind vomerine tooth patch; large dark grey to black spot on posterodorsal corner of operculum; pale blue curved bar behind eye; and anal fin without broad dark distal stripe . : elongated; Cross section: compressed.

🌀 Behaviour

Behavioural data for Erdmann's Dottyback is currently being reviewed.

🦐 Diet

Diet information for Erdmann's Dottyback is currently being compiled.

🥚 Reproduction

Reproduction data for Erdmann's Dottyback is currently being compiled.

🌍 Habitat & Distribution

Marine; reef-associated; depth range 20 - 66 m , usually 45 - 66 m . Tropical; 2°N - 0°N, 127°E - 131°E North Sulawesi to Papua and extending southwards at least to Ambon (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.5±0.5
🧍 Solitary

📐 Morphometrics

Length–Weight Relationship: W = 0.0049 × L3.11 (TL)
Max TL
8.2cm
Dorsal Spines
3
Dorsal Rays
26
Anal Spines
3
Anal Rays
14

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2024

📊 Population Risk & Fisheries

Fishing Vulnerability
19.00/100
Low vulnerability
Trophic Level
3.5
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Gill & Allen, 2011

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