Overview

Comprehensive Description

Brachypetersius altus -

AMNH 240420, 5; AMNH 240485, 2 C&S;

  • Melanie L. J. Stiassny, Victor Mamonekene (2007): Micralestes (Characiformes, Alestidae) of the lower Congo River, with a description of a new species endemic to the lower Congo River rapids in the Democratic Republic of Congo. Zootaxa 1614, 17-29: 19-19, URL:http://www.zoobank.org/urn:lsid:zoobank.org:pub:EFFDCA90-CD71-40DA-B0D1-5E2030D2D945
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Taxonomy

from Catalog of Fishes, 09/2009:

Micralestes altus Boulenger 1899:88, Pl. 36 (fig. 5) [Boulenger, G. A. 1899 (Sept.) Matériaux pour la faune du Congo. Zoologie.--Série I. Poissons nouveaux du Congo. Quatrième Partie. Polyptères, Clupes, Mormyres, Characins. Annales du Musee du Congo (Ser. Zoology) v. 1 (fasc. 4): 59-96, Pls. 30-39.] Bikoro, Lake Tumba, Upper Congo. Lectotype: MRAC 806. Paralectotypes: BMNH 1899.9.26.98-99 (2); MRAC 807-810 (4), 811-815 (5), 1281 (1). Lectotype designated in Poll 1967:106 [ref. 3529]. •Valid as Brachypetersius altus (Boulenger 1899) -- (Paugy 1984:164 [ref. 6183], Nzeyimana & Amiet 1992:31 [ref. 19559]). •Valid as Phenacogrammus altus (Boulenger 1899) -- (Géry 1996:8 [ref. 22207]). Current status: Phenacogrammus altus(Boulenger 1899) Alestidae: Distribution: Africa. Habitat: freshwater.

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General Description

Description from p. 230 of Boulenger, G. A. 1909. Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History).

Depth of body 2 1/5 to 2 1/3 times in total length, length of head 3½ to 3 2/3 times. Head twice as long as broad, longer than deep ; snout much shorter than eye, which is 2 to 2 1/3 times in length of head ; interorbital width about 3 times in length of head ; maxillary hardly reaching to below anterior border of eye ; 12-14 teeth (4/8-10) in upper jaw, 10 (8/2) in lower. Gill-rakers rather long, about 12 on lower part of anterior arch. Dorsal II 8, originating immediately behind vertical of base of ventrals, at equal distance from end of snout and from caudal, longest ray as long as head. Anal III 23-26 . Pectoral a little shorter than head, extending a little beyond origin of ventral. Caudal forked, lobes pointed. Caudal peduncle as long as deep. Scales 23-26 4½ /3½, 2 between lateral line and root of ventral. Silvery, back olive, scales dark-edged ; a large rounded black spot on the caudal peduncle and the median caudal rays ; adipose fin blackish. Total length 65 mm.

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Distribution

Range Description

Brachypetersius altus is known from Pool Malebo (Stanley Pool) and from the Central Congo River basin.
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Africa.
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Africa: Democratic Republic of the Congo.
  • Paugy, D. 1984 Characidae. p. 140-183. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ORSTOM, Paris and MRAC, Tervuren. Vol. 1. (Ref. 5331)
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widespread in Congo River basin
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Africa.
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Physical Description

Size

Max. size

6.5 cm TL (male/unsexed; (Ref. 2059))
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Diagnostic Description

AMNH 240420, 5; AMNH 240485, 2 C&S;

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Melanie L. J. Stiassny

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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
This is a pelagic species.

Systems
  • Freshwater
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Environment

pelagic; freshwater; pH range: 6.2; dH range: 15
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Brachypetersius altus

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 2
Specimens with Barcodes: 2
Species With Barcodes: 1
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Barcode data: Phenacogrammus altus

The following is a representative barcode sequence, the centroid of all available sequences for this species.


No available public DNA sequences.

Download FASTA File
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Statistics of barcoding coverage: Phenacogrammus altus

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 1
Specimens with Barcodes: 1
Species With Barcodes: 1
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2010

Assessor/s
Moelants, T.

Reviewer/s
Brummett, R., Mbe Tawe, A.N., Dening Touokong, C., Reid, G.M., Snoeks, J. Staissny, M., Moelants, T., Mamonekene, V., Ndodet, B., Ifuta, S.N.B., Chilala, A., Monsembula, R., Ibala Zamba, A., Opoye Itoua, O., Pouomogne, V., Darwall, W. & Smith, K.

Contributor/s

Justification
The species is widespread or without major threats throughout the Central Africa assessment region and is assessed as Least Concern.
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Population

Population
No information available.

Population Trend
Unknown
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Threats

Major Threats
None known.
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Least Concern (LC)
  • IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006.
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Management

Conservation Actions

Conservation Actions
None known.
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