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🌊 Marine 🌡️ Subtropical

Taiwanese perchlet

Chelidoperca formosa Tang & Ho, 2021
Max Length
6.6 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
-
Climate
Subtropical
Resilience
High
Vulnerability
21.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Taiwanese perchlet (Chelidoperca formosa), first described by Tang & Ho, 2021 is a small fish in the family Serranidae (order Perciformes). Adults typically reach 6.60 cm in maximum length. It inhabits marine coastal and open-ocean environments. It occurs in Subtropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator.

Scientific Name
Chelidoperca formosa
Authority
Tang & Ho, 2021
Habitat
Marine
Climate
Subtropical
Max Length
6.6 cm
Trophic Level
3.4
Resilience
High
Vulnerability
21.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 10; Dorsal soft rays (total): 10 - 11; Anal spines: 3; Anal soft rays: 6; Vertebrae: 24. This species is distinguished from its congeners by the following characters: the second to sixth dorsal-fin spines are distinctly long, the eighth and ninth spines distinctly short; pored lateral-line scales 35-36; scale rows between lateral line and the base of sixth dorsal-fin spine 4; lateral side of body with faint black blotches; developed gill rakers 1 (upper limb) + 7-8 (lower limb), total gill rakers 14-17; cheek scale rows 4-5; preopercular serrae 37-50; interopercular serrae 8-14; subopercular serrae 14-22; posttemporal with a small bony crest with 2-4 serrae; interorbital scales extended to or slightly posterior to the level through the mid orbits; approximately two rows of small scales on the ventral side of the angular, dentary completely naked. Colouration: body and head orange red with four faint blotches on lateral side; the soft portion of dorsal and anal fins with several yellowish stripes; upper tip of caudal fin reddish .Cross section: compressed.

🌀 Behaviour

Behavioural data for Taiwanese perchlet 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 ? - 100 m . Subtropical

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.4±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.01072 × L3.06 (TL)
Max TL
6.6cm
Dorsal Spines
10
Dorsal Rays
11
Anal Spines
3
Anal Rays
6
Vertebrae
24

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
21.00/100
Low vulnerability
Trophic Level
3.4
Predator
Climate Zone
Subtropical
Described By
Tang & Ho, 2021

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