Brazil country information

Common names: Peixe agulha, Pirapucu
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Recorded from Capim River (Ref. 50279).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/br.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Collette, B.B., 1982
National Database:

Common names from other countries

Poisson aiguille, Lápiz, Ferskvandshornfisk, ... more

Classification / Names आम नाम | उपशब्द | Catalog of Fishes(वर्ग, प्रजाति) | ITIS | CoL | WoRMS | Cloffa

> Beloniformes (Needle fishes) > Belonidae (Needlefishes)
Etymology: Potamorrhaphis: Greek, potamos = river + Greek, rhaphis = needle (Ref. 45335).

Environment: milieu / climate zone / depth range / distribution range पारिस्थितिकी

; स्वच्छ जल, अलवण जल पिलाजिक; गहराई सीमा 0 - ? m. Tropical; 23°C - 26°C (Ref. 2059)

वितरण देश | ऐफ ऐ ओ क्षेत्र | Ecosystems | संयोग | Point map | भूमिका | Faunafri

South America: Amazon and Orinoco River basins, and the Guianas.

आकार / वज़न / Age

Maturity: L_m ? range ? - ? cm
Max length : 29.1 cm TL पुल्लिंग / अलिंग; (Ref. 40653); common length : 12.3 cm OT पुल्लिंग / अलिंग; (Ref. 10994)

Short description पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स

पृष्ठीय रीढ़ (सम्पूर्ण) : 0; पृष्ठीय सौफट रेज़ (सम्पूर्ण) : 29 - 36; गुदा कांटा: 0; ऐनल सौफट रेज़: 25 - 32; जानवरों की रीड़ का जोड़: 68 - 78. Predorsal scales 85-135, mean 110.3 (Ref. 10994, Table 7).

Forms schools at the surface. Prefers to inhabit marshes, small slow-moving creeks or even in main river beds, in the slowest parts of meandering streams next to banks (Ref. 35237). Voracious carnivore which appears to have a primarily nocturnal habit (Ref. 27188). During reproduction, the male positions itself beside the female or crosswise in front of her. Sometimes the male touches the female with his side, pushing her aside in an oblique position, with their heads oriented downwards. The couple settles next to a bush where the female spawns her eggs (15 to 40). Eggs adhere to plants by means of sticky filaments which are 2 to 3 mm long. At 27-30°C, incubation lasts for 9 to 10 days. Larvae are pelagic and carnivorous (Ref. 35237). Maximum length 40 cm TL in Keith et al., 2000 (Ref. 35237).

Life cycle and mating behavior Maturities | पुनरुत्पत्ति | Spawnings | Egg(s) | Fecundities | लार्वा

The eggs are attached to underwater vegetation. At 27-30 deg. Celsius the larvae hatch after 9 - 10 days. The larvae are pelagic carnivores.

Main reference Upload your references | संदर्भ | संयोजक : Collette, Bruce B. | सहयोगीयो

Collette, B.B., 1982. South American freshwater needlefishes of the genus Potamorrhaphis (Beloniformes: Belonidae). Proc. Biol. Soc. Wash. 95(4):714-747. (Ref. 10994)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 21 August 2020

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO(Publication : search) | FishSource |

अधिक जानकारी

Trophic ecology
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Ecology
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Population dynamics
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Length-weight rel.
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Length-frequencies
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Life cycle
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Human related
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जलीयकृषि रूपरेखाऐ
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Ciguatera cases
Stamps, coins, misc.

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Taxonomy
आम नाम
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इंटरनेट स्रोत

Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00126 (0.00056 - 0.00281), b=3.11 (2.93 - 3.29), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.9 ±0.6 se; based on size and trophs of closest relatives

लौटाव (Ref. 120179): ऊंचा, न्यूनतम जनसंख्या दुगनी समय अवलागत 15 महीने। (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (19 of 100).

Potamorrhaphis guianensis (Jardine, 1843)