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Phyllonemus typus Boulenger, 1906

Spatula-barbeled catfish
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Native range | All suitable habitat
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Phyllonemus typus   AquaMaps   Data sources: GBIF OBIS
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Image of Phyllonemus typus (Spatula-barbeled catfish)
Phyllonemus typus
Picture by Germeau, G./ Doumont, Y.

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

Actinopterygii (ray-finned fishes) > Siluriformes (Catfish) > Claroteidae (Claroteid catfishes) > Claroteinae
Etymology: Phyllonemus: Greek, phyhllon = leaf + Greek, nema = filament (Ref. 45335).  More on author: Boulenger.

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

Freshwater; demersal; depth range ? - 20 m (Ref. 3236).   Tropical; 3°S - 9°S

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

Africa: Lake Tanganyika.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 8.8 cm TL male/unsexed; (Ref. 3236)

Biology     Glossary (e.g. epibenthic)

Inhabit inshore waters to 20 m deep (Ref. 3236), and restricted to the rocky littoral zone (Ref. 38677). Rest on the bottom with the modified maxillary barbels (Ref. 6868). Nocturnally active meanwhile resting beneath rocks and within interstices in the rock or rubble substrata during the day (Ref. 38677). Oviparous (Ref. 205). First report of bi-parental mouthbrooding among catfishes (Ref. 38677). No value as food (Ref. 4967). Stomach contents examined consist of shrimps, occasionally debris from larval insects, and fish remains which apparently are clupeids (possibly Limnothrissa. Aquarium conditions: pH7.6; hardness of water 12; temperature tolerance 25°C; tank capacity, 60L; food, e.g. live worms, Daphnia; aquarium lighting, as dark as possible as long as fishes are visible; a peaceful, bottom-swimming fish which prefers a set-up with rocks, plants, and driftwood in an aquarium (Ref. 6398).

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

First report of biparental mouthbrooding among catfishes (Ref. 38677). Either or both parents rear their eggs and yolk-sac larvae inside the mouth (Ref. 38677). Young are released from the mouth after the yolk-sac has been absorbed and kept guarded by both parents while feeding beneath rocks (Ref. 38677). After feeding, young return to the parent's mouth (Ref. 38677). No evidence of brooding was found among solitary individuals, additionally, females in this group have low gonadosomatic index (Ig) indicating that a strong bonding of pairs precede egg laying (Ref. 38677).

Main reference Upload your references | References | Coordinator | Collaborators

Risch, L.M., 1986. Bagridae. p. 2-35. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB, Brussels; MRAC, Tervuren; and ORSTOM, Paris. Vol. 2. (Ref. 3236)

IUCN Red List Status (Ref. 119314)

  Least Concern (LC) ; Date assessed: 31 January 2006

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: of potential interest; aquarium: potential
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Internet sources

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | 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 = 0.6250   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00759 (0.00332 - 0.01733), b=3.04 (2.85 - 3.23), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  4.0   ±0.70 se; Based on food items.
Resilience (Ref. 69278):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Low vulnerability (10 of 100) .
Price category (Ref. 80766):   Unknown.