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🌊 Marine Least Concern 🌡️ Temperate

Bastard Halibut

Tarphops oligolepis Bleeker, 1858
Max Length
6.5 cm
Max Weight
-
Lifespan
2 yrs
Trophic Level
3.3
Depth
-
Climate
Temperate
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Bastard Halibut (Tarphops oligolepis) is a ray-finned fish of the family Paralichthyidae. It inhabits marine (saltwater) waters in benthic environments. This species can reach a maximum total length of 6.5 cm. With a trophic level of 3.3, 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
Tarphops oligolepis
Authority
Bleeker, 1858
Habitat
Marine
Climate
Temperate
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
6.5 cm
Lifespan
2 years
Trophic Level
3.3
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 63 - 67; Anal spines: 0; Anal soft rays: 48 - 52; Vertebrae: 33 - 35. Soft ray count of pectoral fin refers to that on ocular side.: short and / or deep.

🌀 Behaviour

Behavioural data for Bastard Halibut is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

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

Distinct pairing .

🌍 Habitat & Distribution

Marine; demersal. Temperate Northwest Pacific: Japan to Taiwan.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.3±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00741 × L3.17 (TL)
Max TL
6.5cm
Dorsal Rays
65
Anal Rays
50
Vertebrae
34

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Short and / or deep
Climate Zone
Temperate
Described By
Bleeker, 1858

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Bastard Halibut
🇯🇵Japanese Aramegarei · アラメガレイ
🇨🇳Chinese 半邊魚 · 扁魚 · 比目魚 · 皇帝魚 · 高體大鱗鮃

Scientific Synonyms

Scientific Name Author Year Status
Pseudorhombus oligolepis Bleeker 1858 Synonym
Rhombus oligolepis Bleeker 1858 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 4 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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View all observations for Bastard Halibut ↗
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