分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes)
鯰形目 (Catfishes) >
Trichomycteridae (Pencil or parasitic catfishes)
毛鼻鯰科 (Pencil or parasitic catfishes) > Trichomycterinae
Etymology: Trichomycterus: Greek, thrix = hair + Greek, mykter, -eros = nose (Ref. 45335); pirabitira: The specific name Pirabitira, from the Tupi, is a contraction of pira (fish), and ybytyra (mountain).
This is in reference to the peculiar habit of species of the genus Trichomycterus, which usually inhabit mountainous regions..
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 居於水底的.
South America: tributaries of the upper rio Grande, rio Paraná basin, southeastern Brazil.
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 7.7 cm SL 雄魚/尚未辨別雌雄; (Ref. 118200)
簡短描述
型態特徵 | 形態測量圖
背的軟條 (總數): 11; 臀鰭軟條: 10; 脊椎骨: 37 - 38. Distinguished by having the following combination of characters: opercular odontodes obliquely arranged); long pointed process on the posterodorsal tip of the hyomandibula; morphology of the metapterygoid narrow, without conspicuous process directed to the hyomandibula; caudal fin subtruncated; 7 - 8 branchiostegal rays; pelvic-fin origin in a vertical through the centrum of 18th or 19th vertebra; 37-38 vertebrae; 32-34 interopercular odontodes; narrow stripe along lateral midline; nasal barbel reaching middle of the pectoral-fin base; presence of the two anterior pores of infraorbital series; head length 18.7 - 20.8% SL; seven pectoral-fin rays; 14 -15 ribs; pelvic-fin insertion through 18th-19th vertebrae; dorsal-fin and anal-fin origin in the vertical through 20th- 21st, 24th-25th vertebrae; body width 6.4 -9.3% SL; dorsal-fin origin posterior to pelvic-fin insertion (Ref. 92859).
Inhabits streams with clear water and muddy substrate comprising of submerged litter (Ref. 92859).
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Barbosa, M.A. and V.M. Azevedo-Santos, 2012. A new species of the catfish genus Trichomycterus (Teleostei: Siluriformes: Trichomycteridae) from the rio Paraná basin, southeastern Brazil. Verteb. Zool. 62(3):357-362. (Ref. 92859)
IUCN 瀕危狀態 (Ref. 130435)
無危 (LC) ; Date assessed: 07 November 2018
人類使用
更多資訊
俗名同種異名新陳代謝捕食者生態毒物學繁殖成熟度產卵場產卵群集孕卵數卵卵發育
年龄/大小成長長度-重量長度-長度長度-頻率形態測量圖型態特徵仔魚稚魚動力學入添量豐度BRUVS
參考文獻養殖養殖資訊品種遺傳學Electrophoreses遺傳率疾病加工NutrientsMass conversion
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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=0.00851 (0.00355 - 0.02043), b=2.93 (2.74 - 3.12), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
