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🌊 Marine Least Concern 🌡️ Tropical

Double whiptail

Pentapodus emeryii Richardson, 1843
Max Length
35 cm
Max Weight
-
Lifespan
-
Trophic Level
3.6
Depth
2–35 m
Climate
Tropical
Resilience
Medium
Vulnerability
31.00/100
Typical Length
18 cm
Depth Zone
reef

📖 Overview

Found on clear coastal reef slopes . A solitary species but may be found also in groups . Excellent eye-sight . Feeds on small fishes, crustaceans, ophiuroids and sipunculid worms.

Scientific Name
Pentapodus emeryii
Authority
Richardson, 1843
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
35 cm
Depth Range
2–35 m
Latitude
23°S – 19°N
Trophic Level
3.6
Resilience
Medium
Vulnerability
31.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 10; Dorsal soft rays (total): 9; Anal spines: 3; Anal soft rays: 7. Head scales reaching forward to level of posterior nostrils. Suborbital naked. Lower limb of preopercle with 2 or 3 scale rows. Pelvic fins moderately long, reaching almost to level of anus. Axillary scale present. Color: Upper body blue, lower white.: fusiform / normal; Cross section: oval.

🌀 Behaviour

Behavioural data for Double whiptail 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 2 - 35 m . Tropical; 19°N - 23°S, 104°E - 131°E

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.6±0.5
🧍 Solitary
Food Items

small fishes, crustaceans, ophiuroids and sipunculid worms

📐 Morphometrics

Length–Weight Relationship: W = 0.0138 × L2.97 (TL)
Max TL
35cm
Dorsal Spines
10
Dorsal Rays
9
Anal Spines
3
Anal Rays
7

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2009

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
31.00/100
Low vulnerability
Trophic Level
3.6
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Latitude Range
19°N – 23°S
Described By
Richardson, 1843

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Blue Whiptail · Purple Threadfin Bream · Threadtail bream · Whip-tailed Threadfin-bream · Yellow Line Snapper · double whiptail · purple threadfin-bream
🏳️Catalan Peix coral·lí blau
🌍CES špičatník vlajkoocasý
🇩🇪German Emerys Scheinschnapper
🌍MSA Anjang-anjang dwifilamen dua jalur · Pasir-pasir
🇵🇹Portuguese Peixe-arco-íris-neon
🇨🇳Chinese 紅尾冬仔

Scientific Synonyms

Scientific Name Author Year Status
Heterognathodon nemurus Bleeker 1853 Synonym
Mesoprion emeryii Richardson 1843 Synonym
Pentapus nemurus Bleeker 1853 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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