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🌊 Marine Least Concern 🌡️ Tropical

Harlequin sweetlips

Plectorhinchus chaetodonoides Lacepède, 1801
Plectorhinchus Chaetodonoides (Plectorhinchus chaetodonoides)
Plectorhinchus Chaetodonoides (Plectorhinchus chaetodonoides)
Max Length
72 cm
Max Weight
7.0 kg
Lifespan
-
Trophic Level
3.8
Depth
1–30 m
Climate
Tropical
Resilience
Low
Vulnerability
56.00/100
Typical Length
60 cm
Depth Zone
reef

📖 Overview

Inhabits coral-rich areas of clear lagoon and seaward reefs. Adults are solitary, near and under ledges or caves by day. Juveniles are found among corals . Feeds on crustaceans, mollusks, and fishes at night. Juveniles are used in the aquarium industry . Small juveniles may mimic a toxic flatworm . Marketed fresh, a small quantity is salted. Large fish have coarse and dry flesh .

Scientific Name
Plectorhinchus chaetodonoides
Authority
Lacepède, 1801
Habitat
Marine
Climate
Tropical
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
72 cm
Max Weight
7 kg
Depth Range
1–30 m
Latitude
23°S – 31°N
Trophic Level
3.8
Resilience
Low
Vulnerability
56.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 11 - 12; Dorsal soft rays (total): 18 - 20; Anal spines: 3; Anal soft rays: 7 - 9. This species is distinguished by the following characters: chin with 6 pores, no median pit; gill rakers on first gill arch 9-12 + 1 + 27-32 = 36-43; D XII (rarely XI),18-20; longest dorsal-fin ray 16-25% of standard length, almost equal to length of soft dorsal-fin base in small specimens, more than 1/2 length of soft dorsal-fin base in adults; lips fleshy, moderately swollen with age; scales ctenoid (rough to touch); lateral line tubed scales about 52-59; body depth 2.4-2.5 in SL; caudal fin deeply forked with broadly rounded lobes in juveniles; only slightly forked to emarginate in adults. Colour of body with numerous dark brown spots, generally larger than pupil; pelvic fins spotted, darkening with age; juveniles brownish with large, well-defined creamy white blotches on body that include brown spots with age; colour gradually changing into a greyish background with large, deep brown spots .: short and / or deep; Cross section: compressed.

🌀 Behaviour

Behavioural data for Harlequin sweetlips is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous

Oviparous, distinct pairing during breeding .

🌍 Habitat & Distribution

Marine; brackish; reef-associated; depth range 1 - 30 m . Tropical; 31°N - 23°S, 57°E - 144°W West Pacific: Maldives (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 🌿 Brackish 🪸 Reef Associated
Trophic Level
3.8±0.6
🧍 Solitary
Food Items

crustaceans, mollusks, and fishes at night

📐 Morphometrics

Length–Weight Relationship: W = 0.01905 × L2.95 (TL)
Max TL
72cm
Max Weight
7,000g
Dorsal Spines
12
Dorsal Rays
19
Anal Spines
3
Anal Rays
8

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2023

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
56.00/100
High vulnerability
Trophic Level
3.8
Predator
Body Shape
Short and / or deep
Climate Zone
Tropical
Latitude Range
31°N – 23°S
Described By
Lacepède, 1801

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 24 records indexed .

Occurrence density from GBIF View GBIF records ↗

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