Characidium litorale Leitão & Buckup, 2014
分類 / 名稱 俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei > Characiformes (Characins) > Crenuchidae (South American darters) > Characidiinae
Etymology: Characidium: Diminutive of Charax, -akos = a fish without identification (Ref. 45335); litorale: From the Latin litoralis, meaning of seashore, in allusion to the geographic distribution in coastal drainages located between the Serra do Mar and the Atlantic Ocean. Used in adjectival form to agree with the diminutive neutral form of the generic name.
Etymology: Characidium: Diminutive of Charax, -akos = a fish without identification (Ref. 45335); litorale: From the Latin litoralis, meaning of seashore, in allusion to the geographic distribution in coastal drainages located between the Serra do Mar and the Atlantic Ocean. Used in adjectival form to agree with the diminutive neutral form of the generic name.
環境： 環境 / 氣候帶 / 深度上下限 / 配送範圍 生態學
; 淡水 底中水層性.
分布 領土 | FAO區域 | 生態系 | 發現紀錄 | 分布圖 | 簡介 | Faunafri
South America: Rio São João, Rio Macaé , and Rio Imbé drainages in Brazil.
大小 / 重量 / 年齡
簡短描述 檢索表 | 型態特徵 | 形態測量圖
背的軟條 (總數) : 14 - 15; 脊椎骨: 34 - 36. Characidium litorale is distinguished from other congeners by the combination of the following characters: complete lateral line (vs. incomplete in C. interruptum, C. laterale, and C. rachovii); greater body depth at dorsal-fin origin 20.9-24.6% SL (vs. 9.3-15.8% SL in C. longum, 13.7-17.2% SL in C. pteroides, 14.2-18.9% SL in C. steindachneri); fewer lateral line scales 34-36 (vs. 38-40 in C. longum, and 37-40 in C. steindachneri); and fewer scales in the series between the anus and anal-fin origin 4-5 (vs. 8-10 in C. longum, and 6-8 in C. steindachneri); absence of a large blotch on caudal peduncle (vs. presence in C. bimaculatum); and absence of bands in distal part of anal fin (vs. presence in C. heinianum); and deeper caudal peduncle depth 10.6-12.1% SL (vs. 6.7-10.0% SL in C. heinianum). C. litorale of size ranges 2.65-3.27 cm SL differs from C. xanthopterum of size ranges 2.24-3.15 cm SL by having lower body depth (20.9-24.2% SL vs. 24.2-27.6% SL in C. xanthopterum), and from C. zebra of size ranges 2.46-3.22 cm SL by having fewer scales around caudal peduncle (12 vs. 14 in C. zebra), greater body depth at dorsal-fin (20.9-24.6% SL vs. 16.1-19.6% SL in C. zebra) and anal-fin origin (15.6-18.1% SL vs. 12.3-14.6% SL in C. zebra), deeper caudal peduncle (depth 10.6-12.1% SL vs. 8.9-10.6% SL in C. zebra), and by the shape of the longitudinal midlateral stripe (thin and restricted to the posterior half of the body versus wide and extending throughout the flank in C. zebra). Other conspicuous non-unique external characters useful in distinguishing C. litorale include the following: isthmus completely covered with scales; basicaudal spot well defined and isolated by a bright area; and markedly reticulated pigmentation pattern at upper half of body. There are slight differences in morphology among populations from the São João, Macaé and Imbé drainages: specimens from Rio São João frequently possess more secondary bars, and individuals from the Rio Macaé usually have a lower body depth. The secondary bars may be less evident or lacking in few specimens (13.6%) from Rio Imbé (Ref. 96085).
Inhabits streams and rivers, mainly over sandy bottom at medium-slow water flow. Occasionally occurs associated with grassy marginal vegetation. The type locality is a stretch of the Córrego Aldeia Velha, that runs through a deforested area (pasture), and is characterized by clear waters with moderate flow, less than 50 cm depth, and substratum composed predominately of sand, clay, and gravel (Ref. 96085).
生命週期和交配行為 成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
主要參考資料
上傳您的推薦信 | 參考文獻 | 合作者 | 合作者
Leitão, R.P. and P.A. Buckup, 2014. A new species of Characidium (Characiformes: Crenuchidae) from coastal basins of Serra do Mar, southeastern Brazil. Copeia 2014(1):14-22. (Ref. 96085)
CITES
Not Evaluated
對人類具威脅
人類使用
漁業: 沒有興趣
FAO - Publication: search | FishSource |
更多資訊
解剖學
鰓區
腦部
耳石
鰓區
腦部
耳石
生理學
身體成分
營養素
耗氧量
游泳類型
游泳速度
視覺色素
魚聲
疾病與寄生蟲
毒性 (LC50s)
身體成分
營養素
耗氧量
游泳類型
游泳速度
視覺色素
魚聲
疾病與寄生蟲
毒性 (LC50s)
遺傳學
基因組
遺傳學
異種性
遺傳率
遺傳多樣性
基因組
遺傳學
異種性
遺傳率
遺傳多樣性
工具
特別的報告
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網路資源
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基於模型的估計
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系統發育多樣性指數 (參考文獻 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
| Bayesian length-weight | a=0.01023 (0.00450 - 0.02327), b=3.08 (2.90 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
|
營養階層 (參考文獻 69278) |
3.4 ±0.3 se; based on size and trophs of closest relatives |
|
釣魚的脆弱性 (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |