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🌊 Marine Least Concern 🌡️ Subtropical

Enneapterygius Hsiojenae

Enneapterygius hsiojenae Shen, 1994
Max Length
3 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
1–6 m
Climate
Subtropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Eggs are hemispherical and covered with numerous sticky threads that anchor them in the algae on the nesting sites . Larvae are planktonic which occur primarily in shallow, nearshore waters .

Scientific Name
Enneapterygius hsiojenae
Authority
Shen, 1994
Habitat
Marine
Climate
Subtropical
IUCN Status
LC
Max Length
3 cm
Depth Range
1–6 m
Trophic Level
3.1
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 17; Dorsal soft rays (total): 10; Anal spines: 1; Anal soft rays: 19 - 20. This species is distinguished by having the following characters: D III, XIV, 10, with first dorsal fin lower than second dorsal fin; A I,19-20; pored lateral line scales 18-20, notched scales 17-19; mandibular pore pattern 3+1+3; supraorbital and nasal cirrus slender and long; body color pale or light yellowish with 4 brownish-yellow or reddish-brown bars below second and third dorsal fins and caudal peduncle; behind base of pectoral fin is a brownish-black or black saddle mark; head pale with scattered melanophores, with some males densely spotted resembling a black mask on overall head; dorsal fins reddish to orange with second dorsal membrane dusky near the base; other fins are pale yellow to yellow; supraoccipital sensory canal forms a flattened curve anterior to first dorsal fin .

🌀 Behaviour

Behavioural data for Enneapterygius Hsiojenae 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; demersal; depth range 1 - 6 m . Subtropical Northwest Pacific: Taiwan.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.1±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00617 × L3.03 (TL)
Max TL
3cm
Dorsal Spines
17
Dorsal Rays
10
Anal Spines
1
Anal Rays
20

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2010

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.1
Predator
Climate Zone
Subtropical
Described By
Shen, 1994

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