Parapercis diagonalis, Diagonal sandperch

Parapercis diagonalis Randall, 2008

Diagonal sandperch
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Image of Parapercis diagonalis (Diagonal sandperch)
Parapercis diagonalis
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Classificatie / Namen Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

> Perciformes/Uranoscopoidei (Sand dwellers) > Pinguipedidae (Sandperches)
Etymology: Parapercis: Greek, para = the side of + Greek, perke = perch (Ref. 45335)diagonalis: Name from Latin, referring to the diagonal black line on the cheek.
More on author: Randall.

Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied Ecologie

marien benthopelagisch; diepte 1 - 25 m (Ref. 90102). Tropical

Verspreiding Gebieden | FAO regio's | Ecosystemen | Voorkomen | Verspreidingskaart | Introducties | Faunafri

Western Pacific: Indonesia.

Grootte / Gewicht / Leeftijd

Maturiteit: Lm ?  range ? - ? cm
Max length : 15.0 cm TL mannelijk / geslacht onbekend; (Ref. 79876); 12.8 cm SL (female)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale stekels (totaal) : 5; Dorsale zachte stralen (totaal) : 21; Anale stekels: 1; Anale zachte stralen: 17; Wervels: 30. This species is distinguished by the following characters: body's upper third greenish-brown in life with a series of 6 large, quadrangular, blackish spots, progressively shorter posteriorly; the lower 2/3 of it white, faintly blotched with pink and dotted with black, and the lower third with 6 large, quadrangular, dark reddish spots, dotted with black dorsally; head bluish grey with an oblique black line on cheek below eye, ending in a small black spot, followed by 2 broad reddish bands; a large black spot on dorsal fin centered on base of spinous part, and a row of small black spots on the soft portion; base of anal fin with a row of black spots; caudal fin with 2 broad blackish stripes; D V,21; A I,17; pectoral rays 16; 57 lateral line scales; gill rakers 7 + 11; lower jaw projecting, 3 pairs of canine teeth anteriorly in jaws; palatine teeth absent; vomerine teeth in a narrow, chevron-shaped patch of 3-4 rows; ctenoid scales dorsally on opercle, becoming cycloid, progressively smaller, and nonimbricate ventrally on cheek; 4th dorsal spine longest 3.7 in HL; greatest body depth 4.8 in SL; head length (HL) 3.65 in SL; orbit diameter 4.4 in HL; fourth dorsal spine is the longest; caudal fin emarginate on upper half with a narrow protruding posterior upper lobe and rounded on ventral half; pectoral fins 5.75 in SL; pelvic fins just reaching anus, 5.05 in SL (Ref. 79876).
Body shape (shape guide): elongated.

Biologie     Verklarende woordenlijst (bv. epibenthic)

Specimen collected on silty sand substrate, a piece of partially buried plastic tubing was used as a refuge by the fish. It has a well-developed testis, but a small strip of ovarian tissue was also found, indicative of a nearly completed sex change from female to male (Ref. 79876). Solitary (Ref. 90102). Maximum length of 15 cm (TL) of unsexed specimen reported from Ref. 90102.

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

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Randall, J.E., 2008. Six new sandperches of the genus Parapercis from the Western Pacific, with description of a neotype for P. maculata (bloch and Schneider). The Raffles Bull. Zool. 19:159-178. (Ref. 79876)

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 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight 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)
3.5   ±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 (22 of 100). 🛈