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🌊 Marine 🌡️ Tropical

Margined anthias

Pyronotanthias bimarginatus Randall, 2011
Max Length
7 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
35–65 m
Climate
Tropical
Resilience
-
Vulnerability
12.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Margined anthias (Pyronotanthias bimarginatus), first described by Randall, 2011 is a small fish. Adults typically reach 7.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 35 to 65 metres. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. The species schools in loose to tight aggregations.

Scientific Name
Pyronotanthias bimarginatus
Authority
Randall, 2011
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
Max Length
7 cm
Depth Range
35–65 m
Trophic Level
3.3
Vulnerability
12.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Genus
Pyronotanthias
Pyronotanthias
Species
Margined anthias
Pyronotanthias bimarginatus

🐟 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 16-17 (usually 17); lateral-line scales 42-43; gill rakers 10-11 + 22-24; body depth 3.0-3.3 in SL; head length 2.9-3.1 in SL; papillae on posterior edge of orbit; no serrae on edge of subopercle nor on interopercle; snout length 3.75-4.45 in HL; front of upper lip thickened and moderately protuberant; bony interorbital width 3.45-3.75 in HL; 4th to 10th dorsal spines subequal, 2.15-2.8 in HL; caudal fin lunate, 2.4-2.55 in SL; color of males lavender-pink, the head yellow dorsally with narrow magenta bands, caudal fin red with broad, upper and lower lavender-blue margins; color of females mainly yellow with flecks of magenta, the head with the same magenta bands as male, and fins mainly yellow with a narrow magenta margin .: fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Margined anthias 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 35 - 65 m . Tropical

🌿 Ecology

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

📐 Morphometrics

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

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Fishing Vulnerability
12.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Randall, 2011

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