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Praealticus bilineatus (Peters, 1868)

White-dotted rockskipper
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Praealticus bilineatus   AquaMaps   Data sources: GBIF OBIS
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Image of Praealticus bilineatus (White-dotted rockskipper)
Praealticus bilineatus
Picture by Senou, H.

Philippines country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Type locality: Coral reef east of Lauang, Samar Island. Also Ref. 90102.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/rp.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Springer, V.G., 2000
National Database:

Common names from other countries

双线冠鳚, 双线矮冠鳚, 雙線矮冠鳚, ... more

Classificatie / Names Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

> Blenniiformes (Blennies) > Blenniidae (Combtooth blennies) > Salariinae
Etymology: Praealticus: Latin, prae = in front of + Latin, altus, alticus = nutritious.
  More on author: Peters.

Environment: milieu / climate zone / depth range / distribution range Ecologie

marien rifbewoner; diepte 0 - 6 m (Ref. 86942).   Tropical

Verspreiding Landen | FAO regio's | Ecosystemen | Voorkomen | Point map | Introducties | Faunafri

Western Pacific: South China Sea.

Grootte / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 9.0 cm TL mannelijk / geslacht onbekend; (Ref. 90102)

Korte beschrijving Morfologie | Morfometrie

Dorsale stekels (totaal): 13; Dorsale zachte stralen (totaal): 18-20; Anale stekels 2; Anale zachte stralen: 18 - 21. Head and body greyish brown with small white spots; median fin with white dots. Dorsal fin deeply notched; segmented caudal rays usually 13-14, branched middle 6-9; pinnately branched supraorbital tentacle; lacking nape cirri; posterior rim of anterior nostril with small cirrus, typically unbranched; upper and lower lip margins smooth; with occipital crest (higher in males); last dorsal ray and caudal peduncle connected by membrane; elongate body, depth at anal-fin origin ca. 7.7-7.9 in SL. Maximum size to 9 cm TL (Ref. 90102).

Biologie     Verklarende woordenlijst (bv. epibenthic)

Facultative air-breathing (Ref. 126274); Adults inhabit exposed rocky shores (Ref. 90102). Oviparous. Eggs are demersal and adhesive (Ref. 205), and are attached to the substrate via a filamentous, adhesive pad or pedestal (Ref. 94114). Larvae are planktonic, often found in shallow, coastal waters (Ref. 94114).

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

Oviparous, distinct pairing (Ref. 205).

Hoofdreferentie Upload your references | Referenties | Coördinator : Williams, Jeffrey T. | Medewerkers

Randall, J.E. and K.K.P. Lim (eds.), 2000. A checklist of the fishes of the South China Sea. Raffles Bull. Zool. Suppl. (8):569-667. (Ref. 36648)

Status op de Rode Lijst van het IUCN (Ref. 130435)

  Niet bedreigd (LC) ; Date assessed: 27 March 2009

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless




Gebruik door de mens

FAO(Publication : search) | FishSource |

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Estimates based on models

Preferred temperature (Ref. 115969): 27.1 - 29.3, mean 28.8 (based on 1167 cells).
Fylogenetische diversiteitsindex (Ref. 82804):  PD50 = 0.5001   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00741 (0.00335 - 0.01640), b=3.02 (2.83 - 3.21), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trofisch niveau (Ref. 69278):  2.0   ±0.00 se; based on food items.
Weerstandsvermogen (Ref. 120179):  Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).