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Perciformes/Uranoscopoidei (Sand dwellers) >
Pinguipedidae (Sandperches)
Etymology: Parapercis: Greek, para = the side of + Greek, perke = perch (Ref. 45335); johnsoni: Named for Jeffrey W. Johnson of the Queensland Museum.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien demersaal; diepte 84 - 114 m (Ref. 104177). Tropical
South Pacific: French Polynesia, Marquesas Is.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 10.7 cm SL mannelijk / geslacht onbekend; (Ref. 104177)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 5; Dorsale zachte stralen (totaal) : 21 - 211; Anale stekels: 1; Anale zachte stralen: 17; Wervels: 30. This species is distinguished from all its congeners by the following characters: the 4th and 5th dorsal-fin spines about equal in length; D V,21; A I,17; pectoral-fin rays modally 17; pored lateral-line scales modally 52 or 53; median predorsal scales 7 or 8; transverse scale rows modally 4/14; gill rakers on 1st gill arch 13-16; single row of teeth on vomer; no teeth on palatine; 3 pairs of enlarged canines at front of lower jaw; single large pore on front of chin; single row of 6 large pores on free margin of preopercle; upper lobe of caudal fin prolonged. Colouration: dorsal surfaces of the head and body and dorsal fins uniformly brownish with 3-7 irregular black patches on soft dorsal fin (Ref. 104177).
Cross section: oval.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Ho, H.-C., 2015. Description of a new species and redescription of two rare species of Parapercis (Perciformes: Pinguipedidae) from the tropical Pacific Ocean. Zootaxa 3999(2):255-271. (Ref. 104177)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
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Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00692 (0.00314 - 0.01524), b=3.06 (2.88 - 3.24), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
Trofisch niveau (Ref. 69278) |
3.4 ±0.4 se; based on size and trophs of closest relatives |
Weerstandsvermogen (Ref. 120179) |
Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.). |
Kwetsbaarheid van de visserij (Ref. 59153) |
Low vulnerability (20 of 100). 🛈 |