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Bathycongrus retrotinctus (Jordan & Snyder, 1901)

Blackedge conger
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Native range | All suitable habitat | Point map | Year 2050
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Bathycongrus retrotinctus   AquaMaps   Data sources: GBIF OBIS
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Image of Bathycongrus retrotinctus (Blackedge conger)
No image available for this species;
drawing shows typical species in Congridae.


Philippines country information

Common names: Barong
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Known at depths of about 155 to 350 meters. Museum: southeast of Talaga, Batangas Bay, CAS 40910 (holotype of B. randalli, 35.1 cm TL). Talaga Cove, CAS 34917. Southeast of San Pedrino Bay, Balayan Bay, CAS 34435 (Ref. 7446). Collected during the Hearst Expedition 2011 done off Batangas and Mindoro, off SW Luzon (Ref. 95664). Recorded from Leyte Gulf between 1.8 - 10 m depth (Ref. 68980).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/rp.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Castle, P.H.J. and D.G. Smith, 1999
National Database:

Common names from other countries

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

> Anguilliformes (Eels and morays) > Congridae (Conger and garden eels) > Congrinae
Etymology: Bathycongrus: Greek, bathys = deep + Latin, conger = conger (Ref. 45335);  retrotinctus: Named for John Randall..
  More on authors: Jordan & Snyder.

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

marino batidemersal; rango de profundidad 150 - 450 m (Ref. 7446).   Deep-water

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

Western Pacific: Japan to the Philippines.

Tamaño / Peso / Age

Maturity: Lm ?  range ? - ? cm
Max length : 54.0 cm TL macho / no sexado; (Ref. 7446)

Short description Morfología | Morfometría

Body moderately elongate. Tail slender, attenuate at tip. Snout bluntly pointed, protruding beyond tip of lower jaw. Preserve specimen, head and body pale brown dorsally, much paler on belly. Caudal fin black, pectoral fin pale (Ref. 37528). Dorsal-fin origin slightly behind anteriormost insertion of pectoral fin to above middle of appressed fin. Preanal lateral line pores 29-32 (Ref. 36324).

Biología     Glosario (por ej. epibenthic)

Life cycle and mating behavior Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva

Main reference Upload your references | Referencias | Coordinador | Colaboradores

Castle, P.H.J. and D.G. Smith, 1999. A reassessment of the eels of the genus Bathycongrus in the Indo-west Pacific. J. Fish Biol. 54(5):973-995. (Ref. 36324)

IUCN Red List Status (Ref. 130435)

  Data deficient (DD) ; Date assessed: 28 January 2009

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FishSource |

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componentes alimenticios
consumo de alimento
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Fuentes de Internet

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes(Género, Especie) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GloBI | GOBASE | | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Bases de datos nacionales | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | Árbol de la vida | Wikipedia(Go, búsqueda) | World Records Freshwater Fishing | Expediente Zoológico

Estimates based on models

Preferred temperature (Ref. 115969): 1.8 - 18.5, mean 13.6 (based on 98 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00062 (0.00028 - 0.00136), b=3.19 (3.00 - 3.38), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Nivel trófico (Ref. 69278):  3.9   ±0.5 se; based on size and trophs of closest relatives
Resiliencia (Ref. 120179):  Medio, población duplicada en un tiempo mínimo de 1.4-4.4 años (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (42 of 100).