Didymothallus criniceps

Didymothallus criniceps Schwarzhans & Møller, 2007

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Didymothallus criniceps
Male Photo de W. Schwarzhans & P. R. Møller

Classification / Noms Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa

> Ophidiiformes (Cusk eels) > Dinematichthyidae (Viviparous brotula)
Etymology: Didymothallus: Name from Greek 'didymos' for double or twofold and 'thallus' for branch in plants, referring to the two supporters of nearly equal length in the single pair of pseudoclasperscriniceps: Name from Latin 'crinis' for hair and Greek 'cephalos' for head, refers to the many hair-like cirri on the occiput.
More on authors: Schwarzhans & Møller.

Environnement : milieu / zone climatique / profondeur / gamme de distribution Écologie

marin récifal; profondeur 0 - 5 m (Ref. 76869). Tropical

Distribution Territoires | Zones FAO | Écosystèmes | Occurrences | Carte par point | Introductions | Faunafri

Western Pacific: Australia.

Taille / Poids / Âge

Maturité: Lm ?  range ? - ? cm
Max length : 5.4 cm SL mâle / non sexé; (Ref. 76869); 6.0 cm SL (female)

Description synthétique Clés d'identification | Morphologie | Morphométrie

Rayons mous dorsaux (Total) : 69 - 77; Rayons mous anaux: 52 - 61; Vertèbres: 42 - 45. This species is diagnosed by the following characters: D 69-77; A 52-61; D/A 23-26, V in D 1.9-2.1; vertebrae 12+30-33=42-45; multiple small cirri on occiput; a single (outer) pseudoclasper wing-shaped with 2 slender supporters, slightly bent, particularly the posterior one and are exactly of same length; 3-5 rows of scales on upper part of cheek, 2 rows on its lower part; otolith has a moderately pointed anterior tip and pronounced postdorsal angle, with undivided short sulcus, its centre anterior to centre of otolith, inclined with 5 to 10°, the otolith length to otolith height is 2.2, otolith length to sulcus length is 2.2-2.4 (Ref. 76869).
Body shape (shape guide): elongated.

Biologie     Glossaire (ex. epibenthic)

Some of the female specimens were observed to have 9-18 eggs in the body cavity, 2 females (of 44 mm SL) were opened and found to contain orange-coloured eggs, 1.4-1.7 mm in diameter; no reported specimens have embryos inside. This observation apparently indicate that this species is oviparous rather than viviparous, which is an assumed diagnostic character for all Bythitoidei. However, this first indication will need to be confirmed by in-life observation (Ref. 76869).

Cycle de vie et comportement reproducteur Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Référence principale Téléchargez vos références | Références | Coordinateur | Collaborateurs

Schwarzhans, W. and P.R. Møller, 2007. Review of the Dinematichthyini (Teleostei: Bythitidae) of the Indo-west Pacific. Part III. Beaglichthys, Brosmolus, Monothrix and eight new genera with description of 20 new species. The Beagle, Records of the Museums and Art Galleries of the Northern Territory 23:29-110. (Ref. 76869)

Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))

  Préoccupation mineure (LC) ; Date assessed: 16 August 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme






Utilisations par l'homme

FAO - Publication: search | FishSource |

Plus d'informations

Écologie trophique
Aliments (proies)
Composition du régime alimentaire
Consommation alimentaire
Rations alimentaires
Prédateurs
Écologie
Écologie
Dynamique des populations
Paramètres de croissance
Âges / tailles maximales
Longueur-poids rel.
Rel. longueur-longueur.
Fréquences de longueurs
Conversion de masse
Recrutement
Abondance
Cycle de vie
Reproduction
Maturité
Maturité/épines rel.
Fécondité
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Agrégats de frai
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Développement de l'œuf
Larves
Dynamique des populations larvaires
Distribution
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Écosystèmes
Occurrences
Introductions
BRUVS - Vidéos
Anatomie
Surface branchiale
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Otolithe
Physiologie
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Type de natation
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génôme
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Systèmes d'aquaculture
Profils d'aquaculture
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Cas de ciguatera
Timbres, pièces de monnaie, divers
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Sources Internet

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | FishWatcher | CISTI | Catalog of Fishes: Genre, Espèce | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Arbre de Vie | Wikipedia: aller à, chercher | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimations basées sur des modèles

Indice de diversité phylogénétique
(Réf. 82804)
PD50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
Niveau trophique
(Réf. 69278)
3.3   ±0.5 se; based on size and trophs of closest relatives
Vulnérabilité de la pêche
(Ref. 59153)
Low vulnerability (10 of 100). 🛈