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Perciformes/Serranoidei (Groupers) >
Anthiadidae (Fairy basslets or Streamer basses)
Etymology: Xenanthias: Although Regan (1908) did not specific the allusion of Xenanthias, the name is probably the combination of ξένος (xénos, meaning strange or foreign), and anthias, possibly an indication to a strange anthias; ahiahiata: A Rapa Nui name from the phrase ahiahiata meaning 'the last moments of light before nightfall', referring to the colors of the fish compared to the beautiful Rapa Nui sunsets; noun in apposition.
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
marino asociado a arrecife; rango de profundidad ? - 83 m (Ref. 122373). Tropical
Southeast Pacific: Easter Island.
Tamaño / Peso / Edad
Madurez: Lm ?  range ? - ? cm
Max length : 4.0 cm SL macho / no sexado; (Ref. 122373)
Descripción breve
Claves de identificación | Morfología | Morfometría
Espinas dorsales (total) : 10; Radios blandos dorsales (total) : 18; Espinas anales: 3; Radios blandos anales: 7; Vértebra: 26. This species is distinguished for its congeners by the following set of characters: D X,18, the fourth dorsal spine is the longest; pectoral-fin rays18; LL continuous and complete, tubed scales 31; circumpeduncular scales 16; head length 43.3% SL; first dorsal spine 4.5% SL; third anal spine 13.7% SL; gill rakers 6+11. Colouation: overall orange-red with predominantly yellow snout, dorsal, pelvic and anal fins, caudal peduncle with a brilliant red spot outlined in white and four white spots on each side, following the contour of the lateral line (Ref. 122373).
Cross section: compressed.
Collected from rocky patch reef surrounded by a large sandy area using a hand nets at a depth of 83 m. It was then transported to the surface alive in a perforated plastic jar.
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Shepherd, B., T. Phelps, H.T. Pinheiro, A. Pérez-Matus and L.A. Rocha, 2018. Plectranthias ahiahiata, a new species of perchlet from a mesophotic ecosystem at Rapa Nui (Easter Island) (Teleostei, Serranidae, Anthiadinae). ZooKeys 762:105-116. (Ref. 122373)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Amenaza para el ser humano
Harmless
Usos humanos
Pesquerías: sin interés
Herramientas
Informes especiales
Descargar XML
Fuentes de Internet
Estimaciones basadas en modelos
Índice de diversidad filogenética (Referencia 82804) |
PD50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01413 (0.00627 - 0.03183), b=3.00 (2.80 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Nivel trófico (Referencia 69278) |
3.6 ±0.5 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.). |
Vulnerabilidad pesquera (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |