New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

🌊 Marine Least Concern 🌡️ Tropical

Rock blenny

Entomacrodus chiostictus Jordan & Gilbert, 1882
Max Length
7.5 cm
Max Weight
-
Lifespan
-
Trophic Level
2
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
15.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Facultative air-breathing ; Adults inhabit shallow, weed-covered rocky reefs, including tide pools . 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
Entomacrodus chiostictus
Authority
Jordan & Gilbert, 1882
Habitat
Marine
Climate
Tropical
IUCN Status
LC
Max Length
7.5 cm
Trophic Level
2
Resilience
High
Vulnerability
15.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Physical description for Rock blenny is currently being compiled.

🌀 Behaviour

Behavioural data for Rock blenny is currently being reviewed.

🦐 Diet

Diet information for Rock blenny is currently being compiled.

🥚 Reproduction

🐣 Oviparous

Oviparous, distinct pairing .

🌍 Habitat & Distribution

Marine; reef-associated. Tropical Central Pacific: Gulf of California to Panama, including offshore islands such as Tres Marias, Revillagigedo, Clipperton, and Cocos.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
2

📐 Morphometrics

Length–Weight Relationship: W = 0.00759 × L3 (TL)
Max TL
7.5cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2007

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
15.00/100
Low vulnerability
Trophic Level
2
Omnivore / Planktivore
Climate Zone
Tropical
Described By
Jordan & Gilbert, 1882

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Notchfin Blenny · Rock Blenny
🇪🇸Spanish Blenia · Blenio roquero pimienta · borracho aleta mocha · Trambollo Aleta Mocha

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 13 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Rock blenny ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.