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🌊 Marine Least Concern 🌡️ Tropical

Chaenopsis Stephensi

Chaenopsis stephensi Robins & Randall, 1965
Max Length
4.6 cm
Max Weight
Lifespan
Trophic Level
3.4
Depth
Climate
Tropical
Resilience
Vulnerability
10.00/100
Typical Length
Depth Zone
reef

📖 Overview

Chaenopsis Stephensi (Chaenopsis stephensi) is a ray-finned fish of the family Chaenopsidae. It inhabits marine (saltwater) waters in reef-associated environments. This species can reach a maximum total length of 4.6 cm. With a trophic level of 3.4, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Chaenopsis stephensi
Authority
Robins & Randall, 1965
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
4.6 cm
Trophic Level
3.4
Vulnerability
10.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Anal spines: 2. Species distinguished by: Side of body with 6 dark blotches; dorsal fin consisting of spines and segmented rays; total dorsal-fin elements 44 or 45. Common amongst Chaenopsids: small elongate fishes; largest species about 12 cm SL, most under 5 cm SL. Head usually with cirri or fleshy flaps on anterior nostrils, eyes, and sometimes laterally on nape; gill membranes continuous with each other across posteroventral surface of head. Each jaw with canine-like or incisor-like teeth anteriorly; teeth usually also present on vomer and often on palatines (roof of mouth). Dorsal-fin spines flexible, usually outnumbering the segmented soft rays (numbering 7 to 37), spinous and segmented-rayed portions forming a single, continuous fin; 2 flexible spines in anal fin; pelvic fins inserted anterior to position of pectoral fins, with 1 spine not visible externally and only 2 or 3 segmented (soft) rays; all fin rays, including caudal-fin rays, unbranched (simple). Lateral line absent. Scales absent.: elongated.

🌀 Behaviour

Behavioural data for Chaenopsis Stephensi is currently being reviewed.

🦐 Diet

Diet information for Chaenopsis Stephensi is currently being compiled.

🥚 Reproduction

Reproduction data for Chaenopsis Stephensi is currently being compiled.

🌍 Habitat & Distribution

Marine; reef-associated; depth range ? - 4 m . Tropical Central Atlantic: known only from Venezuela and Yucatán, Mexico.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.4±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00525 × L3.06 (TL)
Max TL
4.6cm
Anal Spines
2

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2024

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Robins & Randall, 1965

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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