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🌊 Marine Data Deficient 🌡️ Subtropical

Orange blotched eel

Apterichtus hatookai Hibino, Shibata & Kimura, 2014
Max Length
53.4 cm
Max Weight
-
Lifespan
-
Trophic Level
3.9
Depth
4–7 m
Climate
Subtropical
Resilience
Medium
Vulnerability
31.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Orange blotched eel (Apterichtus hatookai) is a ray-finned fish of the family Ophichthidae. It inhabits marine (saltwater) waters. This species can reach a maximum total length of 53.4 cm. It occurs at depths between 4 and 7 metres. With a trophic level of 3.9, it is a mid-level predator. It is assessed as Data Deficient on the IUCN Red List.

Scientific Name
Apterichtus hatookai
Authority
Hibino, Shibata & Kimura, 2014
Habitat
Marine
Climate
Subtropical
IUCN Status
DD
Max Length
53.4 cm
Depth Range
4–7 m
Trophic Level
3.9
Resilience
Medium
Vulnerability
31.00/100
Salinity
30–40 ppt

🐟 Physical Description

This species is distinguished by the following characters: head 5.1-6.1 % TL, 13.3-16.0 % of preanal length; tail 60.4-62.0 % TL; body depth at gill opening 0.9-1.5 % TL, 2.3-3.8 % of preanal length; the anterior tip of the lower jaw is below the center of the eye; supratemporal pores 7; preopercular pores 4; lateral-line pores before anus 54-58; preanal vertebrae 52-56, total 137-141; MVF 54-139 ; teeth conical and uniserial on jaws and vomer (with a single vomerine tooth); body coloration is yellowish brown to dark brown with small black punctuations, pale brown blotches on head and breast; with fresh specimens have reddish brown blotches, slightly paler along mid-flanks, brilliant orange blotches on head and breast, some larger than eye .: eel-like; Cross section: oval.

🌀 Behaviour

Behavioural data for Orange blotched eel is currently being reviewed.

🦐 Diet

Diet information for Orange blotched eel is currently being compiled.

🥚 Reproduction

Reproduction data for Orange blotched eel is currently being compiled.

🌍 Habitat & Distribution

Marine; benthopelagic; depth range 4 - 7 m . Subtropical Northwest Pacific: Japan and China (SE Fujian).

🌿 Ecology

Zone Preferences
🌊 Marine
Trophic Level
3.9±0.7

📐 Morphometrics

Length–Weight Relationship: W = 0.00093 × L2.99 (TL)
Max TL
53.4cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
31.00/100
Low vulnerability
Trophic Level
3.9
Predator
Climate Zone
Subtropical
Described By
Hibino, Shibata & Kimura, 2014

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