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> Blenniiformes (Blennies) > Tripterygiidae (Triplefin blennies) > Tripterygiinae
Etymology: Helcogramma: Greek, helkos, -eos, -ous = ulcer, sore + Greek, gramma = letter, mark (Ref. 45335); randalli: The species is named in honour of John E. Randall, who collected all the known specimens and provided underwater and fresh photographs of specimens of this and other species..

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

marino bentopelágico; rango de profundidad 2 - 12 m (Ref. 90102). Tropical

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

Western Pacific: Indonesia.

Tamaño / Peso / Age

Maturity: L_m ? range ? - ? cm
Max length : 4.7 cm TL macho / no sexado; (Ref. 90102)

Short description Morfología | Morfometría

A species of Helcogramma (sensu Hansen, 1986) with 14 symphisial mandibular sensory pore, second dorsal fin spines XIV-XV (one of 11 specimens with XIII), third dorsal fin segmented rays 11-12, last ribs on vertebral centrum 12, vertebrae modally 10+28=38 (value range: 10+27 to 29=37 to 39), pored lateral line scales modally 22 or 23 (value range: 22-25), nape scales present, male with thirs dorsal, caudal and anal fins dark and posterior half of body dark.

Adults are found in rocky boulders of exposed coasts (Ref. 90102). Eggs are hemispherical and covered with numerous sticky threads that anchor them in the algae on the nesting sites (Ref. 240). Larvae are planktonic which occur primarily in shallow, nearshore waters (Ref. 94114).

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

Main reference Upload your references | Referencias | Coordinador : Fricke, Ronald | Colaboradores

Williams, J.T. and J.C. Howe, 2003. Seven new species of the triplefin fish genus Helcogramma (Tripterygiidae) from the Indo-Pacific. aqua, J. Ichthyol. Aquat. Biol. 7(4):151-176. (Ref. 52308)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 06 May 2010

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

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Ecosistemas
Ocurrencias, apariciones
Introducciones
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Ecología
Dieta
componentes alimenticios
consumo de alimento
Ración

Nombres comunes
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Metabolismo
Despredadores
Ecotoxicología
Reproducción
Madurez
Puesta
Agregación para la puesta
Fecundidad
Huevos
Egg development

Age/Size
Crecimiento
Length-weight
Length-length
Length-frequencies
Morfometría
Morfología
Larva
Dinámica larvaria
Reclutamiento
Abundancia
BRUVS

Referencias
Acuicultura
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Genética
Electrophoreses
heritabilidad
Enfermedades
Procesamiento
Nutrients
Mass conversion

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Sonidos
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Herramientas

Special reports

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Summary page | Datos específicos | Nombres comunes | Photos

Fuentes de Internet

Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00562 (0.00258 - 0.01228), b=3.08 (2.89 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Nivel trófico (Ref. 69278): 3.1 ±0.3 se; based on size and trophs of closest relatives

Resiliencia (Ref. 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).

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Helcogramma randalli Williams & Howe, 2003