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

🌊 Marine Least Concern 🐠 Aquarium 🌡️ Tropical

Germain's blenny

Omobranchus germaini Sauvage, 1883
Max Length
8 cm
Max Weight
-
Lifespan
-
Trophic Level
2.6
Depth
0–3 m
Climate
Tropical
Resilience
High
Vulnerability
16.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Adults inhabit shallow reefs, in crevices just below level of low tide . Found in tidepools and rocky shores, solitary or in small groups . 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
Omobranchus germaini
Authority
Sauvage, 1883
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
8 cm
Depth Range
0–3 m
Trophic Level
2.6
Resilience
High
Vulnerability
16.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 12 - 14; Dorsal soft rays (total): 18 - 23; Anal spines: 2; Anal soft rays: 21 - 26. Head with wavy vertical lines, pale-rimmed dark spot just behind eye, oblique brownish bands, and curved white lines on side. Dorsal rays usually XIII, fin slightly notched between spinous and soft portions; 3 mandibular pores on each side; gill opening extending ventrally from slightly above pectoral-fin base to opposite 6th pectoral ray; head crest and cirri absent; last dorsal and anal rays attached by membrane to caudal fin; body depth about 5.8 in SL. Maximum size to 7.8 cm TL .: elongated; Cross section: oval.

🌀 Behaviour

Behavioural data for Germain's blenny is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous

Oviparous, distinct pairing .

🌍 Habitat & Distribution

Marine; reef-associated; depth range 0 - 3 m . Tropical

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
2.6±0.1
🧍 Solitary

📐 Morphometrics

Length–Weight Relationship: W = 0.00575 × L3.06 (TL)
Max TL
8cm
Dorsal Spines
13
Dorsal Rays
21
Anal Spines
2
Anal Rays
24

🌡️ 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
16.00/100
Low vulnerability
Trophic Level
2.6
Omnivore / Planktivore
Body Shape
Elongated
Climate Zone
Tropical
Described By
Sauvage, 1883

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Germain's Blenny
🇵🇹Portuguese Blênio-de-Germain
🇨🇳Chinese 吉氏肩鰓䲁 · 狗鰷

Scientific Synonyms

Scientific Name Author Year Status
Petroscirtes germaini Sauvage 1883 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

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Germain's 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.