Pycnochromis abruptus

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Pycnochromis abruptus (Randall, 2001)

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Pycnochromis abruptus
Picture by Randall, J.E.

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

> Ovalentaria/misc (Various families in series Ovalentaria) > Pomacentridae (Damselfishes) > Chrominae
Etymology: abruptus: Name from Latin referring to the very sharp demarcation between the dark body and the white caudal fin.
More on author: Randall.

Environment: milieu / climate zone / rango de profundidad / distribution range Ecología

marino asociado a arrecife; rango de profundidad 0 - 22 m (Ref. 39287). Tropical

Distribución Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Mapa de puntos | Introducciones | Faunafri

Eastern Central Pacific: endemic to Marquesas.Islands.

Tamaño / Peso / Age

Madurez: Lm ?  range ? - ? cm
Max length : 5.4 cm SL macho / no sexado; (Ref. 39287)

Short description Claves de identificación | Morfología | Morfometría

Espinas dorsales (total) : 12; Radios blandos dorsales (total) : 11 - 13; Espinas anales: 2; Radios blandos anales: 11 - 12; Vértebra: 26. Body very dark gray-brown, depth 1.95-2.1 in SL. Caudal fin abruptly white. Narrow posterior part of dorsal and anal fins hyaline. Base of pectoral fins with a large black spot. Upper and lower spiniform procurrent caudal rays 2; upper and lower 2 branched caudal rays filamentous and often very long. Tube lateral line scales 16-18, rarely 16. Free margin of subopercle nearly reaching a vertical at rear margin of pupil.
Body shape (shape guide): short and / or deep; Cross section: compressed.

Biología     Glosario (por ej. epibenthic)

A shallow water species. Feeds on planktons (Ref. 89972). Diurnal species (Ref. 54980). Oviparous, distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205).

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

Oviparous, distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205).

Main reference Upload your references | Referencias | Coordinador : Allen, Gerald R. | Colaboradores

Randall, J.E., 2001. Four new damselfishes (Perciformes: Pomacentridae) from the Marquesas Islands. Copeia 2001(1):92-107. (Ref. 39287)

IUCN Red List Status (Ref. 130435: Version 2025-1)

  Least Concern (LC) ; Date assessed: 16 November 2010

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

Más información

Ecología Trófica
Food items (preys)
Composición de la dieta
consumo de alimento
Food rations
Despredadores
Ecología
Ecología
Home ranges
Population dynamics
Coeficiente del crecimiento para
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Reclutamiento
Abundancia
Life cycle
Reproducción
Madurez
Maturity/Gills rel.
Fecundidad
Puesta
Spawning aggregations
Huevos
Egg development
Larva
Dinámica larvaria
Distribución
Países
Áreas FAO
Ecosistemas
Ocurrencias, apariciones
Introducciones
BRUVS - Videos
Anatomy
Superficie branquial
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Otolith
Physiology
Body composition
Nutrients
Consumo del oxígeno
Tipo de natación
Velocidad de natación
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Genética
Genome
Genética
Heterozygosity
heritabilidad
Human related
Aquaculture systems
Perfiles de acuicultura
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Stamps, coins, misc.
Outreach
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Taxonomy
Nombres comunes
Sinónimos
Morfología
Morfometría
Imágenes
Referencias
Referencias

Herramientas

E-book | Guía de campo | Asistente para frecuencias de tallas | Herramienta de ciclo de vida | Mapa de puntos | Catch-MSY |

Special reports

Check for Aquarium maintenance | Check for Species Fact Sheets | Check for Aquaculture Fact Sheets

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Summary page | Datos específicos | Nombres comunes | Photos

Fuentes de Internet

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: Género, Especie | 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 | Árbol de la vida | Wikipedia: Go, búsqueda | Expediente Zoológico

Estimates based on models

Preferred temperature (Referencia 123201): 27.6 - 29, mean 28 °C (based on 103 cells).
Phylogenetic diversity index (Referencia 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02089 (0.00944 - 0.04623), b=2.98 (2.80 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Nivel trófico (Referencia 69278):  3.0   ±0.2 se; based on size and trophs of closest relatives
Resiliencia (Referencia 120179):  Alto, población duplicada en un tiempo mínimo inferior a 15 meses (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100). 🛈
Nutrients (Ref. 124155):  Calcium = 179 [86, 319] mg/100g; Iron = 1.06 [0.59, 1.86] mg/100g; Protein = 18 [17, 19] %; Omega3 = 0.128 [0.066, 0.236] g/100g; Selenium = 20.5 [9.5, 44.6] μg/100g; VitaminA = 185 [51, 661] μg/100g; Zinc = 2 [1, 3] mg/100g (wet weight);