klasifikasi / Names
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Siluriformes (Catfishes) >
Auchenipteridae (Driftwood catfishes) > Auchenipterinae
Etymology: Trachycorystes: Greek, trachys, -eia, -ys = rough + Greek, chorystes, -ou = a soldier with helmet (Ref. 45335); menezesi: Named for Naércio A. Menezes who participated in the INPA expedition of 1976, when the new species was collected for the first time, and for his major contributions to the scientific knowledge of the ichthyofauna of the Neotropics..
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; air tawar bentopelagis. Tropical
South America: Rio Aripuanã (Madeira drainage) and its tributaries above the
falls of Dardanelos and Andorinhas in Mato Grosso State, Brazil.
Size / Weight / umur
Maturity: Lm ? range ? - ? cm
Max length : 19.9 cm SL jantan/; (Ref. 87314)
deskripsi pendek
Morfologi | Morfometrik
Duri punggung (Keseluruhan (total)): 1; duri punggung lunak (Keseluruhan (total)): 6; Sirip dubur lunak: 19 - 22; vertebrata, bertulang belakang: 41. Diagnosed from Trachycorystes trachycorystes by having the following characters: jaws equal in length (vs. lower jaw longer, prognathous in Trachycorystes trachycorystes); skull roof covered by thick integument concealing bony sculptures (vs. skull roof covered by thin integument, bony sculptures visible); inner mental barbel thin and very short, not reaching base of outer mental barbel (vs. inner mental barbel thicker, extending to or beyond base of outer mental barbel); dorsal-fin spine serrated only along posterior margin (vs. dorsal-fin spine serrated only along anterior margin); caudal fin weakly forked (vs. emarginate); gas bladder simple, without diverticula (vs. gas bladder with
three posterior diverticula, one medial and paired posterolateral) (Ref. 87314).
Found in abundance in tributaries of the rio Aripuanã, such as igarapé do Aeroporto and igarapé Genipapo, clear water creeks two or three m wide and up to 0.6 m deep, with forested margins and sandy bottoms where fallen trunks, branches and vegetal detritus were abundant. Collected using deep nets and by displacing the submerged debris, the natural hiding-places of the species. Feeds on fish, various insects as well a scorpion and a crustacean (Ref. 87314).
Life cycle and mating behavior
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fecundity | Larva
Britski, H.A. and A. Akama, 2011. New species of Trachycorystes Bleeker, with comments on other species of the genus (Ostariophysi: Siluriformes: Auchenipteridae). Neotrop. Ichthyol. 9(2):273-279. (Ref. 87314)
Status IUCN Red List (Ref. 130435)
ancaman kepada manusia
Harmless
penggunaan manusia
informasi lanjut
Nama-nama umumSinonim (persamaan)metabolismePemangsaEkotoksikologiReproduksi, perkembang biakanKematanganPemijahanSpawning aggregationFecunditytelur-telurpekembangan telor
Umur / SaizPertumbuhanpanjang-beratpanjang-panjangukuran frekuensiMorfometrikMorfologiLarvaDinamika larvapemulihanKelimpahanBRUVS
AcuanBudidaya airprofil budidaya airStrainGenetikaElectrophoresesDiturunkanPenyakit-penyakitPengolahanNutrientsMass conversion
mitraGambarStamps, Coins Misc.Suara-suaraCiguateraKecepatanTipe renangArea insangOtolithsOtakPenglihatan / visi
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.4 ±0.4 se; based on size and trophs of closest relatives
Daya lenting (Ref.
120179): Tinggi, Waktu penggandaan populasi minimum kurang dari 15 bulan (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (14 of 100).
