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🌊 Marine Data Deficient 🌡️ Tropical

Somali flathead

Thysanophrys rarita Knapp, 2013
Max Length
12.7 cm
Max Weight
-
Lifespan
-
Trophic Level
3.6
Depth
1–6 m
Climate
Tropical
Resilience
High
Vulnerability
19.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Somali flathead (Thysanophrys rarita), first described by Knapp, 2013 is a small fish in the family Platycephalidae (order Perciformes). Adults typically reach 12.70 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 1 to 6 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 Data Deficient.

Scientific Name
Thysanophrys rarita
Authority
Knapp, 2013
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
DD
Max Length
12.7 cm
Depth Range
1–6 m
Trophic Level
3.6
Resilience
High
Vulnerability
19.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 9; Dorsal soft rays (total): 11; Anal soft rays: 11; Vertebrae: 27. This species is tentatively placed under Thysanophrys. It is distinguished by having the following characters: 6 preocular spines; 11 dorsal- and anal-fin rays; suborbital ridge with about 25 small spines; about 5 small preorbital spines; diagonal scale count, 10 rows; anterior 14 lateral-line scales with small spines; iris lappet with crenate edge .: elongated.

🌀 Behaviour

Behavioural data for Somali flathead 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 - 6 m . Tropical Indian Ocean, Somalia.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.6±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.00457 × L3.09 (TL)
Max TL
12.7cm
Dorsal Spines
9
Dorsal Rays
11
Anal Rays
11
Vertebrae
27

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2017

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
19.00/100
Low vulnerability
Trophic Level
3.6
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Knapp, 2013

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