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Encheliophis homei (Richardson, 1846)

Silver pearlfish
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Encheliophis homei   AquaMaps   Data sources: GBIF OBIS
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Image of Encheliophis homei (Silver pearlfish)
Encheliophis homei
Picture by Tonozuka, T.


Thailand country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Reported from Ko Chang (Trat) (Ref. 37773).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/th.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Monkolprasit, S., S. Sontirat, S. Vimollohakarn and T. Songsirikul, 1997
National Database:

Common names from other countries

Classification / Names Nombres comunes | Sinónimos | Catalog of Fishes(Género, Especie) | ITIS | CoL | WoRMS | Cloffa

> Ophidiiformes (Cusk eels) > Carapidae (Pearlfishes) > Carapinae
Etymology: Encheliophis: Greek, enchelys, = eel + Greek, ophis = serpent (Ref. 45335).
  More on author: Richardson.

Environment: milieu / climate zone / depth range / distribution range Ecología

marino asociado a arrecife; no migratorio; rango de profundidad 0 - 30 m (Ref. 37816).   Tropical; 25°N - 35°S

Distribución Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Point map | Introducciones | Faunafri

Indo-Pacific: Red Sea and the east coast of Africa (Ref. 583) to the Society Islands (Ref. 9710), as far north as Taiwan, but not Hawaii, and probably south to Tasmania.

Tamaño / Peso / Age

Maturity: Lm ?  range ? - ? cm
Max length : 19.0 cm TL macho / no sexado; (Ref. 6347)

Short description Claves de identificación | Morfología | Morfometría

Radios blandos dorsales (total) : 33 - 38; Radios blandos anales: 53 - 61; Vértebra: 116 - 128. Eel-like, moderate to shallow body depth; maxilla free and movable; cardiform teeth present; branchiostegal membranes partly or completely united; swim bladder with thin terminal membrane or bulb; lacking enlarged dentary or premaxillary fangs, dentary diastema, pelvic fins, and swim bladder rocker bone (Ref. 34024).

Biología     Glosario (por ej. epibenthic)

This uncommon (Ref. 34024) pearlfish inhabits the coelom and respiratory trees of some holothurians, especially Stichopus chloronotus and Holothuria argus. It is apparently in competition with Jordanicus gracilis [= Encheliophis gracilis] for its preferred host H. argus. Although most occur singly, there is a tendency towards sexual pairing inside the host. Found to depths over 30 m (Ref. 9710). Stomach contents which include amphipod, shrimp and fish indicate non-parasitic, foraging habits (Ref. 6395). Leaves host at night to prey on small fishes and shrimps (Ref 90102).

Life cycle and mating behavior Maturities | Reproducción | Spawnings | Egg(s) | Fecundities | Larva

Main reference Upload your references | Referencias | Coordinador | Colaboradores

Nielsen, J.G., D.M. Cohen, D.F. Markle and C.R. Robins, 1999. Ophidiiform fishes of the world (Order Ophidiiformes). An annotated and illustrated catalogue of pearlfishes, cusk-eels, brotulas and other ophidiiform fishes known to date. FAO Fish. Synop. 125(18):178p. Rome: FAO. (Ref. 34024)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 15 August 2019

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

Pesquerías: sin interés
FAO(Publication : search) | FishSource |

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Estimates based on models

Preferred temperature (Ref. 115969): 25.3 - 29.3, mean 28.5 (based on 3175 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5078   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00102 (0.00046 - 0.00225), b=3.06 (2.88 - 3.24), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245).
Nivel trófico (Ref. 69278):  3.7   ±0.63 se; based on food items.
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).