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🌊 Marine 🌡️ Tropical

Uswanas' damselfish

Chrysiptera uswanasi Allen, Erdmann & Cahyani, 2018
Max Length
4.5 cm
Max Weight
-
Lifespan
-
Trophic Level
2.8
Depth
3–15 m
Climate
Tropical
Resilience
High
Vulnerability
12.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

This species was found in a typical habitat for the species complex, consisting of sheltered lagoonal reefs associated with large open branching acroporid coral colonies .

Scientific Name
Chrysiptera uswanasi
Authority
Allen, Erdmann & Cahyani, 2018
Habitat
Marine
Climate
Tropical
Max Length
4.5 cm
Depth Range
3–15 m
Trophic Level
2.8
Resilience
High
Vulnerability
12.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 13; Dorsal soft rays (total): 11; Anal spines: 2; Anal soft rays: 11 - 20. This species, belonging to the C. oxycephala group is distinguished by the following set of characters: D XIII,11; A II,11–12 (usually 11); pectoral-fin rays 14–15 (usually 15); gill rakers on first branchial arch 8-10 + 19-21 = 28-31; tubed lateral-line scales 12-16 (usually 14-16); preorbital + suborbital scales 2-11 (mean 7.6). Colour of small juveniles when alive pale green with yellowish suffusion and broad zone of turquoise blue covering the forehead and dorsal snout while adults are mainly pale yellow grading to pale gray ventrally with numerous small blue or greenish spots on head, body, and basal portion of dorsal, anal, and caudal fins .Cross section: compressed.

🌀 Behaviour

Behavioural data for Uswanas' damselfish 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 3 - 15 m . Tropical West Papua).

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
2.8±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.02344 × L2.98 (TL)
Max TL
4.5cm
Dorsal Spines
13
Dorsal Rays
11
Anal Spines
2
Anal Rays
16

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
12.00/100
Low vulnerability
Trophic Level
2.8
Omnivore / Planktivore
Climate Zone
Tropical
Described By
Allen, Erdmann & Cahyani, 2018

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