Listrura depinnai  Villa-Verde, Ferrer & Malabarba, 2014

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

Actinopterygii (ray-finned fishes) > Siluriformes (Catfish) > Trichomycteridae (Pencil or parasitic catfishes) > Glanapteryginae
Etymology: Listrura: Greek, listroo = to tie + Greek, oura = tail (Ref. 45335);  depinnai: Named for Mário C. C. de Pinna, in recognition of his significant contributions to the knowledge of fish systematics, especially on trichomycterid catfishes.

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

Freshwater; demersal.   Tropical

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

South America: Rio Gravataí basin, Laguna dos Patos system in Brazil.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 3.1 cm SL male/unsexed; (Ref. 94748)

Short description Morphology | Morphometrics

Anal soft rays: 7 - 8; Vertebrae: 45 - 46. Listrura depinnai can be readily diagnosed from other species of Listrura by the following putative autapomorphies: several spots on the region below the midline of the flank (vs. unpigmented in L. boticario, L. camposi, L.costai, and L. tetraradiata or with a slender row of small spots in L. nematopteryx and L. picinguabae); the caudal peduncle, including procurrent-ray folds, is deeper than the preanal portion of body (vs. approximately same depth); and a conspicuous intumescence adjacent to the posterodorsal margin of the pectoral-fin base (vs. swelling slight or absent). It shares the absence of a dorsal fin with L. boticario and the glanapterygines Glanapteryx, Pygidianops, and Typhlobelus, but can be readily separated from the former species by the features mentioned above and from the remaining genera by having a larger eye (9.0-10.5% HL vs. less than 6.0%, or absent) and a longer pectoral fin (11.1-11.6% SL vs. less than 5.0%, or absent). It further differs from all congeners, except L. tetraradiata, by having 45-46 vertebrae (vs. 48-55). It is further distinguished from L. tetraradiata by having 33-39 dorsal and 31-34 ventral procurrent caudal-fin rays (vs. 21-28 and 20-24, respectively), only unbranched rays on the anal and pectoral fins (vs. many branched rays), and the sensory pore of the sphenotic branch absent (vs. present). It differs further from L. costai, L. nematopteryx, and L. picinguabae by having 2 or 3 pectoral-fin rays (vs. one) and a slightly elongated, relatively deep body (body depth 12.2-12.7% SL vs. less than 10.5%); and from L. camposi by having all caudal elements almost entirely fused (vs. hypurals 1+2 not fused to hypurals 3+4+5) (Ref. 94748).

Biology     Glossary (e.g. epibenthic)

Found in a swamp with clear black water, mud and litter bottom, covered with a large amount of emerging vegetation adjacent to a dense and isolated fragment of wetland forest. Collected at a shallowsite (about 10 cm water depth above nearly 50 cm depth of submerged litter deposits) among the emerging vegetation. Other fishes captured in the same swamp include species of Cynopoecilus and Gymnotus aff. pantherinus, both are potentially new species (Ref. 94748).

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

Main reference Upload your references | References | Coordinator : Pinna, Mário de | Collaborators

Villa-Verde, L., J. Ferrer and L.R. Malabarba, 2013. A new species of Listrura from Laguna dos Patos System, Brazil: The southernmost record of the Glanapteryginae (Siluriformes: Trichomycteridae). Copeia 2013(4):641-646. (Ref. 94748)

IUCN Red List Status (Ref. 119314)


CITES (Ref. 115941)

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 (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 = 0.5078   [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):  3.1   ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  .
Vulnerability (Ref. 59153):  Low vulnerability (10 of 100) .