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🌊 Marine Data Deficient 🌡️ Tropical

Pyronotanthias Unimarginatus

Pyronotanthias unimarginatus Randall, 2011
Max Length
5.3 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
11.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Only specimen collected with anaesthetic from a patch reef at 53 m where Chaetodon mitratus and Pseudanthias pulcherrimus are often collected. It quickly takes refuge in a crack in the reef when threatened .

Scientific Name
Pyronotanthias unimarginatus
Authority
Randall, 2011
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
DD
Max Length
5.3 cm
Trophic Level
3.3
Vulnerability
11.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Genus
Pyronotanthias
Pyronotanthias
Species
Pyronotanthias Unimarginatus
Pyronotanthias unimarginatus

🐟 Physical Description

Dorsal spines (total): 10; Dorsal soft rays (total): 16; Anal spines: 3; Anal soft rays: 7; Vertebrae: 26. This species is distinguished by the following characters: D X,16; A III,7; pectoral-fin rays 18; lateral-line scales 43; gill rakers 9 + 25; body depth 3.05 in SL; head length 3.1 in SL; anterior end of upper lip thickened; papillae ventroposteriorly on edge of orbit; no serrae on edge of subopercle nor on interopercle; snout length 3.9 in HL; bony interorbital width 4.0 in HL; 4th-10th dorsal spines subequal, 2.8 in HL; caudal fin lunate, 2.3 in SL; body color orange-yellow, shading to pale lavender-yellow ventrally, head yellow, paler ventrally, a large elliptical orange area, bordered by magenta, dorsally on head from snout to nape, anterior end of upper lip pale lavender-pink, caudal fin yellow with a broad pale blue upper margin and red submarginal band that narrows posteriorly, remaining fins translucent yellow, the dorsal fin with a pink margin, and the anal and pelvic fins with a narrow blue margin .: fusiform / normal.

🌀 Behaviour

Behavioural data for Pyronotanthias Unimarginatus 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. Tropical Indian Ocean: Mauritius.

🌿 Ecology

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

📐 Morphometrics

Length–Weight Relationship: W = 0.01413 × L3 (TL)
Max TL
5.3cm
Dorsal Spines
10
Dorsal Rays
16
Anal Spines
3
Anal Rays
7
Vertebrae
26

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2017

📊 Population Risk & Fisheries

Fishing Vulnerability
11.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Randall, 2011

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