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Nematabramis alestes (Seale & Bean, 1907)

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Nematabramis alestes
Female picture by Matillano, J.D.


Philippines country information

Common names: [No common name]
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Known from its type locality, Zamboanga; also from Basilan: Lamitan, Burakan, Busay, and Balactasan rivers; Puerto Princesa and Palawan (1909 & 1913); Concepcion, Busuanga (1922). Probably occurs in Tawi-tawi and Balabac (Ref. 2929). Reported from Palawan (Caiholo River, Ulugan Bay; creek near Pancol, Malampaya Sound; Iwahig, Malatgao, and Camino rivers, near Puerto Princesa); Busuanga (Malbato R., Port Unson and Pangauron R., Port Caltom); Isabela River, Basilan; and Zamboanga R., Mindanao (Ref. 280). Five specimens caught by hook & line in 1989 from Manguao stream (Ref. 13489); seven specimens were collected from Manguao Stream using push net, prefer surface and running water habitats (Ref. 50862). Also Ref. 94476.
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: Herre, A.W.C.T., 1924
National Database:

Common names from other countries

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Cypriniformes (Carps) > Danionidae (Danios) > Chedrinae
Etymology: Nematabramis: Greek, nema, -atos = filament + Old French, breme, bresme = a fresh water fish; 1460 (Ref. 45335).
  More on authors: Seale & Bean.

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

Freshwater; benthopelagic.   Tropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Asia: Zamboanga, Basilan, Palawan, and Busuanga; probably occurs in Tawi-Tawi and Balabac.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 10.1 cm SL male/unsexed; (Ref. 7050)

Short description Morphology | Morphometrics

Dorsal spines (total): 2; Dorsal soft rays (total): 8-9; Anal spines: 3; Anal soft rays: 12 - 14. Specimens dusky above, pale or pale-yellowish sides and belly; opercle and preopercle silvery; scales outlined by dark dots. Head naked; mouth large, oblique; upper thin lip slightly protractile with a median notch into which fits a small knob on tip of lower lip. Pectoral pointed, tip extending beyond origin of small ventrals; caudal slightly longer than head with the lower lobe larger. Belly with a sharp, cutting edge. Barbels shorter than head; number of anal fin rays smaller than N. everetti and N. steindachneri. 22-23 scales from nape to dorsal.

Biology     Glossary (e.g. epibenthic)

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Herre, A.W.C.T., 1924. Distribution of the true freshwater fishes in the Philippines. I. The Philippine Cyprinidae. Philipp. J. Sci. 24(3):249-307. (Ref. 2929)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 10 August 2020

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FishSource |

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Internet sources

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes(genus, species) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GloBI | GOBASE | | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | Tree of Life | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5312   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.3   ±0.4 se; based on size and trophs of closest relatives
Resilience (Ref. 120179):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).