Phalloceros heptaktinos, Seven ray toothcarp

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Phalloceros heptaktinos Lucinda, 2008

Seven ray toothcarp
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Phalloceros heptaktinos
Male Photo de Lucinda, P.H.F.

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

> Cyprinodontiformes (Rivulines, killifishes and live bearers) > Poeciliidae (Poeciliids) > Poeciliinae
Etymology: Phalloceros: Greek, phallos = penis + Greek, keras = horn (Ref. 45335)heptaktinos: Derived from the Greek 'hepta' (seven) and 'aktinos' (rays), referring to the number of dorsal-fin rays in females.

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

; eau douce benthopélagique. Tropical

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

South America: known only from tributarues of the arroio dos Ratos, Jacuí basin in Rio Grande do Sul, Brazil.

Taille / Poids / Âge

Maturité: Lm ?  range ? - ? cm
Max length : 2.4 cm SL mâle / non sexé; (Ref. 76852); 3.0 cm SL (female)

Description synthétique Clés d'identification | Morphologie | Morphométrie

Rayons mous dorsaux (Total) : 7 - 8; Rayons mous anaux: 9 - 11; Vertèbres: 31. Diagnosed from its congeners by the absence of the basal process of first gonactinost. Can be differentiated from its congeners by the sexual dimorphism on number of dorsal-fin rays, males with eight rays (very exceptionally seven) and females with seven rays (very exceptionally eight) (Ref. 76852).

Biologie     Glossaire (ex. epibenthic)

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

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

Lucinda, P.H.F., 2008. Systematics and biogeography of the genus Phalloceros Eigenmann, 1907 (Cyprinodontiformes: Poeciliidae: Poeciliinae), with the description of twenty-one new species. Neotrop. Ichthyol. 6(2):113-158. (Ref. 76852)

Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-1)

  Données manquantes (DD) ; Date assessed: 07 November 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless





Utilisations par l'homme

FAO - Publication: search | FishSource |

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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 | Zoobank | Zoological Record

Estimates based on models

Phylogenetic diversity index (Réf. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00851 (0.00374 - 0.01935), b=3.14 (2.95 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Niveau trophique (Réf. 69278):  3.0   ±0.4 se; based on size and trophs of closest relatives
Résilience (Réf. 120179):  Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100). 🛈