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Hydrolagus macrophthalmus deBuen, 1959

Big eye chimaera
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Image of Hydrolagus macrophthalmus (Big eye chimaera)
Hydrolagus macrophthalmus
Picture by Reyes, P.

Classification / Names Noms communs | Synonymes | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Holocéphales (chimères) (chimaeras) > Chimaeriformes (Chimaeras) > Chimaeridae (Shortnose chimaeras or ratfishes)
Etymology: Hydrolagus: Greek, hydr = water + Greek, lagos = hare (Ref. 45335).

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

; marin démersal; profondeur 590 - 1160 m (Ref. 97389).   Subtropical

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

Eastern Pacific: from the central coast of Mexico, Costa Rica, Peru and Chile.

Taille / Poids / Âge

Maturity: Lm ?  range ? - ? cm
Max length : 63.9 cm TL mâle / non sexé; (Ref. 97389); 58.1 cm TL (female)

Description synthétique Morphologie | Morphométrie

This species is distinguished by the following set of characters: slender body; short and bluntly rounded snout; relatively short head (HDL 24.2-24.5% BDL); relatively large eyes (EYL 30.9-34.2% HDL); oral and preopercular lateral line canals sharing a short common branch from the infraorbital canal; relatively large pectoral fins (P1A 36.5-40.8% BDL), extending posterior to the insertion of pelvic fins; trunk's lateral line canal without sinusoidal undulations; the anterior and posterior regions of second dorsal fin considerably taller than middle region; no anal fin; tail region elongate and slender (PCA 58.3-59.9% BDL); caudal-fin axis horizontal with the fin nearly symmetrical, epaxial and hypaxial lobes equal sized; coloration uniform brown across entire body, no white markings and bluish fins (Ref. 97389).

Biologie     Glossaire (ex. epibenthic)

Oviparous (Ref. 205). Eggs are encased in horny shells (Ref. 205).

Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Oviparous (Ref. 205).

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

Angulo, A., M.I. López, W.A. Bussing and A. Murase, 2014. Records of chimaeroid fishes (Holocephali: Chimaeriformes) from the Pacific coast of Costa Rica, with the description of a new species of Chimera (Chimaeridae) from the eastern Pacific Ocean. Zootaxa 3861(6):554-574. (Ref. 97389)

Statut dans la liste rouge de l'IUCN (Ref. 119314)

  Données manquantes (DD) ; Date assessed: 31 January 2006

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless





Utilisations par l'homme

FAO(Publication : search) | FishSource |

Plus d'informations

Pays
Zones FAO
Écosystèmes
Occurrences
Introductions
Stocks
Écologie
Régime alimentaire
Éléments du régime alimentaire
Consommation alimentaire
Ration
Noms communs
Synonymes
Métabolisme
Prédateurs
Écotoxicologie
Reproduction
Maturité
Frai
Rassemblement de ponte
Fécondité
Œufs
Développement de l'œuf
Taille/Âge
Croissance
Longueur-poids
Longueur-longueur
Fréquences de longueurs
Morphométrie
Morphologie
Larves
Dynamique des populations larvaires
Recrutement
Abondance
Références
Aquaculture
Profil d'aquaculture
Souches
Génétique
Fréquences alléliques
Héritabilité
Pathologies
Traitement
Mass conversion
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Sons
Ciguatera
Vitesse
Type de nage
Surface branchiale
Otolithes
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Sources Internet

Aquatic Commons | BHL | Cloffa | Websites from users | FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(génôme, nucléotide) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | SeaLifeBase | Arbre de Vie | Wikipedia(aller à, chercher) | World Records Freshwater Fishing | Zoobank | 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=0.00309 (0.00126 - 0.00755), b=3.10 (2.89 - 3.31), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Niveau trophique (Ref. 69278):  3.7   ±0.6 se; Based on size and trophs of closest relatives
Résilience (Ref. 69278):  Faible, temps minimum de doublement de population : 4,5 à 14 années (Assuming Fec <100).
Vulnérabilité (Ref. 59153):  Moderate vulnerability (41 of 100) .