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Blennius ocellaris  Linnaeus, 1758

Butterfly blenny
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| Native range | All suitable habitat | PointMap | Year 2100 |
This map was computer-generated and has not yet been reviewed.
Blennius ocellaris   AquaMaps   Data sources: GBIF OBIS
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Image of Blennius ocellaris (Butterfly blenny)
Blennius ocellaris
Picture by Wirtz, P.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Blenniidae (Combtooth blennies) > Blenniinae
Etymology: Blennius: Greek,blenios = mucus (Ref. 45335).   More on author: Linnaeus.

Environment / Climate / Range Ecology

Marine; demersal; depth range 10 - 400 m.   Subtropical; 50°N - 20°N, 18°W - 42°E

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 20.0 cm TL male/unsexed; (Ref. 3397)

Short description Morphology | Morphometrics

Dorsal spines (total): 11 - 12; Dorsal soft rays (total): 14-16; Anal spines: 2; Anal soft rays: 15 - 16. Gill membranes not forming a fold across isthmus. Tentacles on nasal opening, above eye and on nape near first dorsal fin ray. Dentaries joined by suture. Lateral line reduced, discontinuous. Anterior part of dorsal fin conspicuously higher than posterior part.

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Southeast Atlantic: Atlantic coast from Morocco to the English Channel. Also known from the Mediterranean and Black Sea.

Biology     Glossary (e.g. epibenthic)

Adults are found over hard bottoms. Mainly nocturnal, they feed on small invertebrates. Oviparous. Eggs are demersal and adhesive (Ref. 205), and are attached to the substrate via a filamentous, adhesive pad or pedestal (Ref. 94114). Eggs are laid under mussel-shells or stones and guarded by the male (Ref. 5981). Larvae are planktonic, often found in shallow, coastal waters (Ref. 94114). Spawn in April (Marseille) or July (England) (Ref. 5981).

Main reference Upload your references | References | Coordinator : Williams, Jeffrey T. | Collaborators

Wheeler, A., 1992. A list of the common and scientific names of fishes of the British Isles. J. Fish Biol. 41(1):1-37. (Ref. 5204)

IUCN Red List Status (Ref. 90363)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: minor commercial
FAO(Publication : search) | FisheriesWiki | Sea Around Us

More information

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FAO areas
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Internet sources

BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | DORIS | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | National databases | Public aquariums | PubMed | Scirus | SeaLifeBase | Tree of Life | uBio | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.7500   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01778 (0.01249 - 0.02532), b=2.87 (2.77 - 2.97), based on LWR estimates for this species (Ref. 93245).
Trophic Level (Ref. 69278):  3.5   ±0.43 se; Based on food items.
Resilience (Ref. 69278):  .
Vulnerability (Ref. 59153):  Low to moderate vulnerability (30 of 100) .
Price category (Ref. 80766):   Unknown.