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Ecsenius bicolor  (Day, 1888)

Bicolor blenny
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Native range | All suitable habitat | Point map | Year 2100
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Ecsenius bicolor   AquaMaps   Data sources: GBIF OBIS
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Image of Ecsenius bicolor (Bicolor blenny)
Ecsenius bicolor
Picture by Randall, J.E.

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

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Blenniidae (Combtooth blennies) > Salariinae
Etymology: Ecsenius: Greek, exenios, -os, -on = uncontrolled, immoderate.

Environment / Climate / Range Ecology

Marine; reef-associated; depth range 1 - 25 m (Ref. 9710).   Tropical, preferred ?; 30°N - 30°S

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

Indo-Pacific: Maldives to the Phoenix Islands, north to Ryukyu Islands, south to the southern Great Barrier Reef; throughout Micronesia.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 11.0 cm TL male/unsexed; (Ref. 2334)

Short description Morphology | Morphometrics

Dorsal spines (total): 11 - 12; Dorsal soft rays (total): 15-18; Anal spines: 2; Anal soft rays: 17 - 21. Occurs in three color phases: one black anteriorly and yellow posteriorly (bicolor phase), the others black dorsally with a broad white lateral band and dusky belly with or without a yellow tail.

Biology     Glossary (e.g. epibenthic)

Found solitary in abandoned tubes (Ref. 90102). Inhabit clear lagoon and seaward reefs with mixed corals and algae-covered rocks. Oviparous. Eggs are demersal and adhesive (Ref. 205), and are attached to the substrate via a filamentous, adhesive pad or pedestal (Ref. 94114). Larvae are planktonic, often found in shallow, coastal waters (Ref. 94114).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Distinct pairing (Ref. 205).

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

Springer, V.G., 1988. The Indo-Pacific blenniid fish genus Ecsenius. Smithson. Contrib. Zool. (465):134 p. (Ref. 5296)

IUCN Red List Status (Ref. 109396)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

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

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Internet sources

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

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00813 (0.00430 - 0.01536), b=2.86 (2.70 - 3.02), based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trophic Level (Ref. 69278):  2.0   ±0.00 se; Based on food items.
Resilience (Ref. 69278):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Low vulnerability (23 of 100) .