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🌊 Marine Data Deficient 🌡️ Tropical

Anisochromis Straussi

Anisochromis straussi Springer, Smith & Fraser, 1977
Max Length
2.8 cm
Max Weight
-
Lifespan
-
Trophic Level
3.6
Depth
0–11 m
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Anisochromis Straussi (Anisochromis straussi) 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 2.8 cm. It occurs at depths between 0 and 11 metres. With a trophic level of 3.6, it is a mid-level predator. It is assessed as Data Deficient on the IUCN Red List.

Scientific Name
Anisochromis straussi
Authority
Springer, Smith & Fraser, 1977
Habitat
Marine
Climate
Tropical
IUCN Status
DD
Max Length
2.8 cm
Depth Range
0–11 m
Trophic Level
3.6
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 1; Dorsal soft rays (total): 25 - 27; Anal spines: 1; Anal soft rays: 17 - 19. Dorsal fin of males generally dusky when preserved, the large dark spot absent on anterior part of fin. Caudal vertebrae, 23-25 (usually 24). Anterior lateral line scales 32-39, usually 33-37. Posterior interorbital pores 1-2; total parietal pores 14-30, usually more than 30 .

🌀 Behaviour

Behavioural data for Anisochromis Straussi is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

Bi-directional sex change has been proposed for this species though histological analysis of more specimens is needed for confirmation .

🌍 Habitat & Distribution

Marine; reef-associated; depth range 0 - 11 m . Tropical Indian Ocean: Saint Brandon's Shoals.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.6±0.58

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
2.8cm
Dorsal Spines
1
Dorsal Rays
26
Anal Spines
1
Anal Rays
18

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2019

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.6
Predator
Climate Zone
Tropical
Described By
Springer, Smith & Fraser, 1977

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