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🌊 Marine Least Concern 🌡️ Tropical

Ecsenius Isos

Ecsenius isos McKinney & Springer, 1976
Max Length
3.2 cm
Max Weight
Lifespan
Trophic Level
2
Depth
1–20 m
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
Depth Zone
reef

📖 Overview

Oviparous. Eggs are demersal and adhesive , and are attached to the substrate via a filamentous, adhesive pad or pedestal . Larvae are planktonic, often found in shallow, coastal waters .

Scientific Name
Ecsenius isos
Authority
McKinney & Springer, 1976
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
3.2 cm
Depth Range
1–20 m
Trophic Level
2
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 12; Dorsal soft rays (total): 14 - 15; Anal spines: 2; Anal soft rays: 16 - 17; Vertebrae: 32 - 33. Dorsal fin XII.14 or 15, deeply notched between spinous and segmented-ray portions. Anal fin II,16 or 17. Pectoral fin 13 or 14 (rarely 14). Segmented caudal-fin rays 13. Vertebrae 10 + 22 or 23. Dentary incisor teeth which includes anterior canine teeth very similar in appearance with incisors, 43-51; posterior dentary canines 1 on each side. Lateral line lacking pairs of pores, terminating posteriorly at point between verticals from dorsal-fin spines 8 and 11. With cirrus on posterior rim of anterior nostril; absent on anterior rim. With bilateral pair of dark spots on the ventrolateral surface of the head in both males and females, and a dark, somewhat diffused, spot in the pectoral-fin axil. Lateral line generally extending slightly further posteriorly.: elongated; Cross section: oval.

🌀 Behaviour

Behavioural data for Ecsenius Isos is currently being reviewed.

🦐 Diet

Diet information for Ecsenius Isos is currently being compiled.

🥚 Reproduction

🐣 Oviparous

Oviparous, distinct pairing .

🌍 Habitat & Distribution

Marine; reef-associated; depth range 1 - 20 m . Tropical Central Pacific: New Hebrides (Vanuatu) and New Caledonia.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
2

📐 Morphometrics

Length–Weight Relationship: W = 0.00759 × L3 (TL)
Max TL
3.2cm
Dorsal Spines
12
Dorsal Rays
15
Anal Spines
2
Anal Rays
17
Vertebrae
33

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2009

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
2
Omnivore / Planktivore
Body Shape
Elongated
Climate Zone
Tropical
Described By
McKinney & Springer, 1976

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