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🌊 Marine Least Concern 🌡️ Tropical

Mercy's garden eel

Heteroconger mercyae Allen & Erdmann, 2009
Max Length
67.8 cm
Max Weight
Lifespan
Trophic Level
3.4
Depth
4–10 m
Climate
Tropical
Resilience
Medium
Vulnerability
39.00/100
Typical Length
Depth Zone
reef

📖 Overview

Collected from a single colony, occupying about 100 sq. m with approximately 50 eels at 5-6 m depth. The bottom is fine, silty sand and influenced by a freshwater stream along the adjacent shoreline, about 100 m distance, with the nearest reef formation about 50 m from the site .

Scientific Name
Heteroconger mercyae
Authority
Allen & Erdmann, 2009
Habitat
Marine
Climate
Tropical
IUCN Status
LC
Max Length
67.8 cm
Depth Range
4–10 m
Trophic Level
3.4
Resilience
Medium
Vulnerability
39.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal soft rays (total): 578 - 629; Anal soft rays: 390 - 432; Vertebrae: 204 - 213. This relatively slender species has the following distinct set of characters: dorsal-fin origin anterior to gill opening; with pterygoid teeth; body depth at gill opening 28.8-35.2% of HL; preanal vertebrae 62-71 (mean = 65), total vertebrae 204-213 (mean 207.4) ; preanal lateral-line pores 63-69; body colouration consisting of zebra-like black and white barring on head grading to complex black and white maze pattern on body .: eel-like; Cross section: circular.

🌀 Behaviour

Behavioural data for Mercy's garden eel is currently being reviewed.

🦐 Diet

Diet information for Mercy's garden eel is currently being compiled.

🥚 Reproduction

Reproduction data for Mercy's garden eel is currently being compiled.

🌍 Habitat & Distribution

Marine; reef-associated; depth range 4 - 10 m . Tropical West Papua), but likely to occur as far east as Rabaul, New Britain (based on an underwater photo).

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.4±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00102 × L3.06 (TL)
Max TL
67.8cm
Dorsal Rays
604
Anal Rays
411
Vertebrae
209

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2011

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
39.00/100
Moderate vulnerability
Trophic Level
3.4
Predator
Climate Zone
Tropical
Described By
Allen & Erdmann, 2009

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