klasifikasi / Names
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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Rivulidae (Rivulines) > Cynolebiinae
Etymology: nigromaculatus: From the Latin adjective 'nigromaculatus', meaning with black spots, in reference to the color pattern of dorsal fin in males, a condition unique among congeners..
More on author: Costa.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; air tawar bentopelagis; pH range: 5.5 - ?; kisaran kedalaman 0 - ? m (Ref. 75131). Tropical
South America: seasonal canals in the floodplains of rio da Prata, rio Aporé drainage, upper rio Paraná basin in Brazil.
Size / Weight / umur
Maturity: Lm ? range ? - ? cm
Max length : 2.6 cm SL jantan/; (Ref. 75131); 2.2 cm SL (female)
deskripsi pendek
Morfologi | Morfometrik
duri punggung lunak (Keseluruhan (total)): 15-19; Sirip dubur lunak: 17 - 22; vertebrata, bertulang belakang: 24 - 25. Differs from all other species of the genus by possessing 2-4 black spots on posterobasal portion of dorsal fin in males. In addition, it can be separated from all congeners by the unique combination of the following characters: absence of pelvic fin and pelvic girdle; vertebrae 24-25; absence of second pharyngobranchial teeth; absence of ventral process of posttemporal; anal fin with 17-20 rays in females; body depth 33.5-36.0% SL in males; maximum adult size 25.6 mm SL; bright blue bars on flank in males much narrower than interspace; side of head in males with five alternating bright blue and pink to red bars; short postorbital pink strike connecting pink bars 2 and 3; anterior and posterior margins of iris bright blue; dark gray band bordered by a bright blue line on distal margin of dorsal and anal fins, and posterior margin of caudal fin in males; ground color of dorsal and anal fins orange in males; absence of bars on unpaired fins in males; and presence of yellow dots on the caudal fin in males (Ref. 75131).
Inhabits temporary shallow canals (about 50 cm deep) in the floodplains, with light yellow water (Ref. 75131).
Life cycle and mating behavior
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fecundity | Larva
Costa, W.J.E.M., 2007. Simpsonichthys nigromaculatus, a new miniature seasonal killifish from the upper rio Paraná basin, central Brazil (Teleostei: Cyprinidontiformes: Rivulidae). Ichthyol. Explor. Freshwat. 18(3):199-203. (Ref. 75131)
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 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), 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
Daya lenting (Ref.
120179): Tinggi, Waktu penggandaan populasi minimum kurang dari 15 bulan (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
