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🌊 Marine 🌡️ Temperate

Tidepool sculpin

Oligocottus maculosus Girard, 1856
Max Length
8.9 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
0–102 m
Climate
Temperate
Resilience
High
Vulnerability
37.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

A resident intertidal species with homing behavior , found in sheltered areas and common in tide pools . In areas with rough surf, it occurs in higher, more sheltered places . Can leave tide pools when aquatic conditions become inhospitable . Shows a tendency to return to its home pool if displaced . Breathes air when out of water .

Scientific Name
Oligocottus maculosus
Authority
Girard, 1856
Habitat
Marine
Climate
Temperate
Body Shape
Elongated
Max Length
8.9 cm
Depth Range
0–102 m
Trophic Level
3.4
Resilience
High
Vulnerability
37.00/100
Migration
Non-migratory
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 8 - 9; Dorsal soft rays (total): 16 - 18; Anal spines: 0; Anal soft rays: 12 - 14. Caudal fin rounded; .: elongated.

🌀 Behaviour

Behavioural data for Tidepool sculpin is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

Males clasp females with their pectoral fin and fertilizes the eggs as it is being deposited on a rock .

🌍 Habitat & Distribution

Marine; brackish; demersal; non-migratory; depth range 0 - 102 m . Temperate; 66°N - 32°N North Pacific: Sea of Okhotsk and the Bering Sea to Los Angeles County, USA, but records west of the Gulf of Alaska doubtful.

🌿 Ecology

Zone Preferences
🌊 Marine 🌿 Brackish ⬇️ Benthic
Migration
Non-migratory
Trophic Level
3.4±0.47

📐 Morphometrics

Length–Weight Relationship: W = 0.00603 × L3.15 (TL)
Max TL
8.9cm
Dorsal Spines
9
Dorsal Rays
17
Anal Rays
13

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
37.00/100
Moderate vulnerability
Trophic Level
3.4
Predator
Body Shape
Elongated
Climate Zone
Temperate
Described By
Girard, 1856

🌐 Names & Taxonomy

Language Common Names
🇬🇧English tidepool sculpin
🌍CES vranka skvrnitá
🇩🇪German Gezeitengroppe
🇫🇷French chabot de bâche
🇯🇵Japanese Buchikajika · ブチカジカ
🇵🇱Polish Glowacz kaluznik · Głowacz kałużnik
🇷🇺Russian Пятнистый малый бычок
🇪🇸Spanish Charrasco de Piscina de Marea

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 10 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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View all observations for Tidepool sculpin ↗
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