رده بندی / Names
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Siluriformes (Catfishes) >
Loricariidae (Armored catfishes) > Hypostominae
Etymology: jariensis: The specific name jariensis is used in reference to the type locality, the rio Jari, a large tributary of the rio Amazon basin..
Environment: milieu / climate zone / depth range / distribution range
بوم شناسي
; آب شيرين نزديك كف زي. Tropical
South America: Rio Jari basin in Amapá State, Brazil.
Size / Weight / سن
Maturity: Lm ? range ? - ? cm
Max length : 6.1 cm SL جنس نر / بدون خواص جنسي; (Ref. 118148)
توصيف مختصر
كليدهاي شناسايي | ريخت شناسي | ريخت ستجي بوسيله انداره گيري
خارهاي باله پشتي (کل) : 2; شعاع نرم باله پشتي (کل) : 7; خارهاي باله مخرجي: 1; شعاع نرم باله مخرجي: 5. Lithoxus jariensis is distinguished from its congeners L. surinamensis and L. pallidimaculatus by having an adipose fin (vs. adipose fin absent); from L. bovallii by the lack of an irregular concentration of chromatophores around the anal-fin origin and adjacent region (vs. present), and by having three dark bands in the caudal fin (vs. five dark bands); from L. lithoides and L. jantjae by having five branched rays in the anal fin (vs. four); from L. pallidimaculatus and L. raso by the lack of light spots on the body (vs. light spots on the body present); from L. jantjae by having 14 branched rays in the caudal fin (vs. 12); and from L. stocki by having medial premaxillary teeth with an enlarged and widened cusp (vs. cusps of all premaxillary teeth similar in size, not enlarged), and 5-8 dentary teeth (vs. 10-12). In addition, Lithoxus jariensis can be diagnosed from L. boujardi by having a greater adipose-spine length, 6.2-10.1% SL (vs. 3.6-4.7% SL), and by having a greater dorsal adipose-caudal distance, 12.0-16.5% SL (vs. 10.3-11.7% SL); from L. planquettei by smaller caudal peduncle depth, 7.6-8.7% SL (vs. 9.7-10.5% SL), and by having a straight adipose-fin spine (vs. a curved adipose-fin spine); and from L. stocki by having a shorter cleithral width, 27.8-31.2% SL (vs. 32.6-34.2% SL), and a greater dorsal-anal distance, 10.4-13.7% SL (vs. 8.8-10.4% SL) (Ref. 118148).
Facultative air-breathing in the genus (Ref. 126274); Inhabits the bottom of fast-flowing clear-water rivers of medium to large size. The bottom of the rivers consists of small to large rocks, loose stones, and sand (Ref. 118148).
Life cycle and mating behavior
Maturities | تولید مثل | Spawnings | Egg(s) | Fecundities | توزاد ( لارو)
Silva, G.S.C., R. Covain, C. Oliveira and F.F. Roxo, 2017. Description of two new species of Lithoxus (Hypostominae: Loricariidae) from rio Jari and rio Amapá basins, Brazillian Guiana shield. Zootaxa 4347(1):151-168. (Ref. 118148)
وضعيت در فهرست قرمز IUCN (Ref. 130435)
خطر برای انسان ها
Harmless
استفاده انسانی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01514 (0.00712 - 0.03216), b=2.97 (2.80 - 3.14), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
جهندگی (Ref.
120179): زياد, كمينه زمان لازم براي دو برابر شدن جمعيت ، كمتر از 15 ماه (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
