Platyberyx rhyton

Platyberyx rhyton Stevenson & Kenaley, 2013

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drawing shows typical species in Caristiidae.

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> Scombriformes (Mackerels) > Caristiidae (Manefishes)
Etymology: Platyberyx: Name from the Greek 'platy' meaning flat and Beryx, a genus of beryciform fishesrhyton: Name from an ancient Greek word which means a widemouth container for fluids, referring to the relatively large mouth of this species.

Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied Ecologie

marien bathypelagisch; diepte ? - 677 m (Ref. 94277). Subtropical

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Northwest Pacific, Japan, off Honshu Island.

Grootte / Gewicht / Leeftijd

Maturiteit: Lm ?  range ? - ? cm
Max length : 14.6 cm SL (female)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale zachte stralen (totaal) : 30; Anale zachte stralen: 18; Wervels: 34. This species is distinguished from P. paucus by having a greater number of dorsal-fin rays (30 vs. 24-26), anal-fin rays (18 vs. 15-16), pectoral-fin rays (18 vs. 16-17), and vertebrae (34 vs. 31); from P. andriashevi by having fewer dorsal-fin rays (30 vs. 36-39), anal-fin rays (18 vs. 19-22), and vertebrae (34 vs. 36-40); and from both species (as well as P. pietschi) by its caudal-fin morphology (ventral caudal spur absent, procurrent rays cylindrical vs. ventral caudal spur present, procurrent rays flattened, bladelike). It differs further from P. pietschi by having a shorter prepectoral length (<32% vs. >39% SL), longer dorsal-fin base (76% vs. 63-69% SL), and larger mouth (upper jaw extending approximately to posterior margin of orbit vs. mid-orbit); from P. opalescens by having a smaller body depth (45% vs. 52-64% SL), shorter head length (31% SL vs. >38% SL), shorter prepectoral length (31% vs. 39-50% SL), and larger mouth (upper jaw extending approximately to posterior margin of orbit vs. mid-orbit); from P. mauli by its gill-raker morphology (narrow, bladelike, with a few bristles concentrated near tip vs. stout, rounded, with many bristles concentrated near tip of raker), dentition (jaw teeth in single row vs. multiple rows), and structure of pharyngeal papillae (dorsal pharyngeal papillae saclike, multifid papillae absent inside mouth vs. multifid papillae near dorsal pharyngeal teeth and throughout mouth) (Ref. 94277).
Body shape (shape guide): short and / or deep; Cross section: compressed.

Biologie     Verklarende woordenlijst (bv. epibenthic)

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

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Stevenson, D.E. and C.P. Kenaley, 2013. Revision of the manefish genera Caristius and Platyberyx (Teleostei: Percomorpha: Caristiidae), with description of five new species. Copeia 2013(3):415-434. (Ref. 94277)

Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))


CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

FAO - Publication: search | FishSource |

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Schattingen op basis van modellen

Fylogenetische diversiteitsindex
(Ref. 82804)
PD50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight a=0.02455 (0.00947 - 0.06362), b=3.00 (2.77 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trofisch niveau
(Ref. 69278)
3.5   ±0.5 se; based on size and trophs of closest relatives
Kwetsbaarheid van de visserij
(Ref. 59153)
Low vulnerability (10 of 100). 🛈