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🌊 Marine 🌡️ Tropical

Monsoon Fairy-wrasse

Cirrhilabrus hygroxerus Allen & Hammer, 2016
Max Length
5.6 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
18–37 m
Climate
Tropical
Resilience
High
Vulnerability
11.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Collected and observed in depths of about 18-37 m; the habitat appears to be localized to sloping rubble bottoms with scattered, low outcrops of rock or coral and occasional large coral outcrops .

Scientific Name
Cirrhilabrus hygroxerus
Authority
Allen & Hammer, 2016
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
Max Length
5.6 cm
Depth Range
18–37 m
Trophic Level
3.3
Resilience
High
Vulnerability
11.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 11; Dorsal soft rays (total): 9; Anal spines: 3; Anal soft rays: 9; Vertebrae: 25. This species is distinguished by the following characters: D XI,9; A III,9; pectoral-fin rays 15; lateral-line scales 15-17 + 4-8; median predorsal scales 4-5; single horizontal scale rows on cheek below eye; gill rakers 11-14 (usually 13); body depth 3.3-4.0 in SL; head length 2.7-3.0 in SL; snout length 3.5-4.5 in HL; dorsal fin more or less uniform height except for elevated pennant comprised of membranous extension between 1st 2 spines, well-developed in mature males, 1.4-2.2 in HL; pelvic fins of male moderately elongate, reaching posteriorly to about base of 1st soft anal-fin ray, 2.6-3.2 in SL; caudal fin rounded; male in life mainly blackish on upper half of body and white below; upper half of head yellow orange; dorsal fin mainly blackish, anal fin scarlet red with row of blue spots at base; pelvic fins scarlet red with black area at base; pectoral fins with prominent black base; female in life yellow orange on upper 2/3 of head, grading to scarlet red on body; lower part of head, breast, and belly white; head and body with 4 narrow, lavender stripes; dorsal fin dusky red, yellowish basally, often with blackish or grey membrane between 1st 2 spines; anal and pelvic fins red-orange to pinkish; pectoral fins translucent with conspicuous yellow base . : fusiform / normal.

🌀 Behaviour

Behavioural data for Monsoon Fairy-wrasse 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; reef-associated; depth range 18 - 37 m . Tropical north of Darwin, Australia (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.3±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01072 × L3.03 (TL)
Max TL
5.6cm
Dorsal Spines
11
Dorsal Rays
9
Anal Spines
3
Anal Rays
9
Vertebrae
25

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
11.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Allen & Hammer, 2016

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