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Perciformes/Serranoidei (Groupers) >
Anthiadidae (Fairy basslets or Streamer basses)
Etymology: Plectranthias: Greek, plektron = anyhting to strike with, spur + Greek, anthias = a fish, Sparus aurata (Ref. 45335); alcocki: Named for W. Alcock, for his contribution to the taxonomy of deep-sea fauna of Indian seas.
Environment: milieu / climate zone / rango de profundidad / distribution range
Ecología
marino asociado a arrecife; rango de profundidad 180 - 320 m (Ref. 95532). Tropical
Western Indian Ocean: Arabian Sea, India.
Tamaño / Peso / Age
Madurez: Lm ? range ? - ? cm
Max length : 7.2 cm SL macho / no sexado; (Ref. 95532)
Short description
Claves de identificación | Morfología | Morfometría
Espinas dorsales (total) : 10; Radios blandos dorsales (total) : 15; Espinas anales: 3; Radios blandos anales: 7. This species is distinguished by the following set of characters: D X,15, fourth dorsal spine longest, 2.8 (2.6) in HL; A III,7; pectoral-fin rays 14; pelvic-fin rays I,5; complete lateral-line with 28 pored scales; scales above lateral line to origin of dorsal fin 1; scales dorsally on head extending to posterior nostrils; maxilla or chin without scales; gill-rakers 5 + 11 (2 + 7 developed); circumpeduncular scales 10; body depth of holotype 34.4% SL, head length 46% SL, orbit diameter 8.6 in SL, dorsal fin slightly notched and continuous, with longest dorsal soft ray (second) 2.4 in HL, first anal-fin spine 4.9 in HL, second anal spine 2.2 in HL; dorsal fin with a black blotch at base of 4th-8th spines, one at base of the last three spines, and two at base of soft portion of fin, the dark pigment extending onto adjacent body; margin of preopercle finely serrate, 33 serrae, and ventral edge without antrorse spines (Ref. 95532).
Body shape (shape guide): elongated; Cross section: compressed.
Life cycle and mating behavior
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Bineesh, K.K., K.V. Akhilesh, A. Gopalakrishnan and J.K. Jena, 2014. Plectranthias alcocki, a new anthiine fish species (Perciformes: Serranidae) from the Arabian Sea, off southwest India. Zootaxa 3785(3):490-496. (Ref. 95532)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Pesquerías: sin interés
Herramientas
Special reports
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Fuentes de Internet
Estimates based on models
Phylogenetic diversity index (Referencia
82804): PD
50 = 0.5000 [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).
Nivel trófico (Referencia
69278): 3.7 ±0.6 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).
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![Image of Plectranthias alcocki (Alcock\](/images/thumbnails/jpg/tn_Plalc_u0.jpg "Image of Plectranthias alcocki (Alcock\")
