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Entomacrodus thalassinus  (Jordan & Seale, 1906)

Sea blenny
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Native range | All suitable habitat | Point map | Year 2100
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Entomacrodus thalassinus   AquaMaps   Data sources: GBIF OBIS
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Image of Entomacrodus thalassinus (Sea blenny)
Entomacrodus thalassinus
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: Entomacrodus: Greek, ento = inside + Greek, makros = big + Greek, odous = teeth (Ref. 45335).

Environment / Climate / Range Ecology

Marine; reef-associated; depth range 0 - 5 m (Ref. 86942).   Tropical; 32°N - 24°S

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

Indo-Pacific: disjunct distribution; Seychelles and Maldives in the Indian Ocean; then from southern Japan and Taiwan to the Line and Tuamotu Archipelago. The valid subspecies Entomacrodus thalassinus longicirrus ranges from Gulf of Thailand to Hong Kong.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 4.0 cm SL male/unsexed; (Ref. 37816)

Short description Morphology | Morphometrics

Dorsal spines (total): 13; Dorsal soft rays (total): 13-15; Anal spines: 2; Anal soft rays: 15 - 17

Biology     Glossary (e.g. epibenthic)

Adults are found along surge reef margins. 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

Oviparous, distinct pairing (Ref. 205).

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

Myers, R.F., 1999. Micronesian reef fishes: a comprehensive guide to the coral reef fishes of Micronesia, 3rd revised and expanded edition. Coral Graphics, Barrigada, Guam. 330 p. (Ref. 37816)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 108899)

Not Evaluated

Threat to humans

  Harmless




Human uses

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

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Estimates of some properties based on models

Preferred temperature (Ref. 115969): 25.3 - 29.3, mean 28.5 (based on 2586 cells; Ref. 115970).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00741 (0.00328 - 0.01678), b=3.00 (2.81 - 3.19), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (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 (11 of 100) .