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Zaireichthys maravensis  Eccles, Tweddle & Skelton, 2011

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Zaireichthys maravensis
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Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Siluriformes (Catfish) > Amphiliidae (Loach catfishes) > Leptoglanidinae
Etymology: Zaireichthys: Composed form Zaire river + Greek,ichtys = fish; the habitat of this fish (Ref. 45335);  maravensis: The specific name of this species refers to its currently known distribution restricted to Malawi, a name derived from the 16th century Maravi Kingdom, although it is likely to occur also in rivers flowing into Lake Malawi from Tanzania and Mozambique (Ref. 86935).

Environment / Climate / Range Ecology

Freshwater; benthopelagic.   Tropical

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

Africa: present in western catchment rivers of Lake Malawi, and likely to occur also in rivers flowing into Lake Malawi from Tanzania and Mozambique (Ref. 86935).

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 3.0 cm SL male/unsexed; (Ref. 86935); 3.1 cm SL (female)

Short description Morphology | Morphometrics

Dorsal spines (total): 2; Dorsal soft rays (total): 5-7; Anal spines: 0; Anal soft rays: 10 - 13; Vertebrae: 33 - 39. This species is distinguished from Z. kafuensis, Z. monomotapa, Z. pallidus and Z. rotundiceps in having the premaxillary tooth patch larger than 45% of mouth width; from Z. conspicuus in having a longer lateral line (1.3±0.1 in SL cf. 2.1±0.2 in SL) and colour pattern, lacking bold blotches; from Z. compactus in pigmentation pattern, with rows of elongate spots instead of the irregular blotches (Ref. 86935). Ground colour of preserved specimens yellowish; snout, interorbital, supraoccipital and opercular regions darkly marbled, infra-orbital region paler; a series of about eight dark blotches along the dorsal surface, the first x-shaped below the base of the dorsal fin and the last at the base of the caudal fin; 8-10 dark blotches mid-laterally, the last at the base of the caudal fin; a third series of smaller, less distinct spots ventro-laterally from above base of pelvics to end of caudal peduncle (Ref. 86935). Dorsal fin with a small dark spot near the end of the spine, continued posteriorly as a faint bar of pigment on the rays; caudal fin with a dark bar basally and another bar at about 60% of its length; pectoral fins with a faint dark bar level on the tip of the spine; dark patches on dorsal surface of body extending into base of adipose; pelvic and anal fins hyaline or anal with faint dark bar (Ref. 86935).

Biology     Glossary (e.g. epibenthic)

Reported to be found in fast-flowing streams and small rivers with clear water and a sandy bottom (Ref. 86935).

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

Main reference Upload your references | References | Coordinator | Collaborators

Eccles, D.H., D. Tweddle and P.H. Skelton, 2011. Eight new species in the dwarf catfish genus Zaireichthys (Siluriformes: Amphiliidae). Smithiana Bull. (13):3-28. (Ref. 86935)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries:
FAO(Publication : search) | FisheriesWiki |

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Internet sources

BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishes of Iran | 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 | Zoobank | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.0   ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  High, minimum population doubling time less than 15 months ().
Vulnerability (Ref. 59153):  Low vulnerability (15 of 100) .