分類 / Names
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Siluriformes (Catfishes) >
Callichthyidae (Callichthyid armored catfishes) > Corydoradinae
Etymology: Corydoras: Greek, kory = helmet + greek, doras = skin (Ref. 45335); apiaka: Named for the indigenous tribe Apiaká, meaning 'people' in Tupi language, which originally occupied the middle and lower rio Arinos, lower rio Juruena, but is nowadays restricted to the lower rio Juruena. The tribe is known for facial tattoos and bravery in battles, as well as by anthropophagic rites after fights. A noun in apposition..
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水 底生の. Tropical
South America: tributaries of rio Arinos, rio Teles Pires and rio Preto of the rio Tapajós basin in Brazil.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 3.9 cm SL オス/雌雄の選別がない; (Ref. 102660)
簡単な記述
形態学 | 形態計測学
背面の脊椎 (合計): 2; 背鰭 (合計): 8; 臀鰭: 8. Corydoras apiakacan be diagnosed from its spotted congeners by having smaller dorsal-fin spine than the three anterior branched dorsal-fin rays (vs. dorsal-fin spine smaller than just two anterior dorsal-fin rays, or equal in size). It differs from its congeners, with the exception of C. albolineatus, C. araguaiaensis, C. haraldschultzi, C. julii,C. polystictus, C. multimaculatus and C. xinguensis, by having numerous dark-brown spots over the head and body (vs. absence of spots). It can be distinguished from C. albolineatus, C. araguaiaensis and C. haraldschultzi by having several spots scattered all over the head and trunk in a somewhat random pattern (vs. spots more concentrated and with a single pale horizontal stripe in the middle of the body in C. albolineatus; or spots arranged in three or more stripes along the trunk in C. araguaiaensis and C. haraldschultzi); pectoral, pelvic and anal fins hyaline (vs. several series of small blotches over fin rays), and adipose fin hyaline or bearing one spot (vs. two or more spots). Corydoras apiaka further differs from C. multimaculatus and C. xinguensisby the absence of blotches on interradial membrane of dorsal fin (vs. presence); adipose fin hyaline or with a single spot (vs. two or three well defined spots); spots not reaching over the anal fin base (vs. spots extending to anal-fin base). It is distinguished from C. xinguensisby the absence of spots onanal fin (vs. presence); body spots with diffuse border (vs. spots with well delimited edge). It can be further separated from all other spotted species, except C. multimaculatus, by the naked ventral region (vs. belly with small platelets) (Ref. 102660).
Facultative air-breathing (Ref. 126274); Most inhabits lotic environment in the rio Arinos and its tributaries. The rio Arinos is characterized by muddy-brown color and soft bottom of clay and sand. Collected mostly in small forest streams of black or clear water, or in marginal ponds (Ref. 102660).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Espíndola, V.C., M.R.S. Spencer, L.R. Rocha and M.R. Britto, 2014. A new species of Corydoras Lacépède (Siluriformes: Callichthyidae) from the Rio Tapajós basin and its phylogenetic implications. Papéis Avulsos de Zoologia 54(3):25-32. (Ref. 102660)
Human uses
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Age/Size成長体長-重さLength-length体長組成形態計測学形態学幼生幼生の動力補充豊度BRUVS
参考文献水産養殖水産養殖の紹介緊張遺伝子のElectrophoreses遺伝病気行列NutrientsMass conversion
協力者画像Stamps, Coins Misc.音シガテラ（食中毒の名前）速度泳ぐ 型式カマOtoliths脳視覚
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インターネットの情報源
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=0.01622 (0.00688 - 0.03823), b=3.02 (2.82 - 3.22), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 3.0 ±0.3 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高い, １５か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
