Classification / Names
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Cypriniformes (Carps) >
Cyprinidae (Minnows or carps) > Smiliogastrinae
Etymology: chryseus: Name frrom Latin 'Chryseus' meaning 'golden yellow'; referring to the colour of this new species..
Environment: milieu / climate zone / depth range / distribution range
นิเวศวิทยา
; น้ำจืด กลุ่มสัตว์หน้าดิน,กลุ่มสัตว์พื้นท้องน้ำ; ระดับความลึก 0 - 7 m (Ref. 104747). Tropical
Asia: Kerala, India.
ขนาด / น้ำหนัก / Age
Maturity: Lm ?  range ? - ? cm
Max length : 15.2 cm SL เพศผู้/กระเทย; (Ref. 104747)
Short description
เครื่องมือที่ใช้ในการแยกชนิดสัตว์,สิ่งมีชีวิตออกจากกัน | สัณฐานวิทยา | ความยาวต่างๆ
This species is distinguished from its congeners by the following characters: an unusually elongated body, with body depth at dorsal fin origin 25.0- 28.6 in percent of standard length; flanks with a golden to yellowish golden color while the pectoral, pelvic and anal fins are orange red; pectoral fin long, its tip reaches origin of ventral fin; dorsal fin inserted a little behind ventral origin and nearer to snout tip than to caudal base; lateral line scales 29- 30 and pre-dorsal scales 11 (Ref. 104747).
The type locality, the river bed of Keezhvaipur of Manimala River, is generally occupied by sand and gravel, with bed rocks and black clays occasionally present. This stretch of the river has a width of 40-120 m, depth of the water column in summer season ranges from 0.5 to 7 m and bank height varies from 4 to 7 m with respect to general water level. It is covered by more or less dense riparian vegetation; the flora includes Dendrocalamus strictus, Ochreinauclea missionis, Acacia caesia, Bambusa bambos, B. vulgaris, Hydnocarpus pentandra and others and with Colocasia esculenta, Cynodon dactylon and Nymphaea forming the majority of the stream vegetation. Some fishes co-occurring with this species in this region are: Anguilla bengalensis, A. bicolor, Salmostoma boopis, Barilius bakeri, Rasbora dandia, Osteobrama bakeri, Puntius mahecola, Pethia punctatus, Dawkinsia filamentosa, Gonoproktopterus kurali, Catla catla, Labeo ariza, L. dussumieri, Garra mullya, Horabagrus brachysoma, Mystus oculatus, M. gulio, Wallago attu, Xenentodon cancila, Ambassis commersoni, A. gymnocephalus, Pseudambassis ranga, Pristolepis malabarica, Etroplus maculatus, E. suratensis, and Glossogobius giuris (Ref. 104747).
Life cycle and mating behavior
Maturities | การสืบพันธุ์ | Spawnings | Egg(s) | Fecundities | ตัวอ่อน
Plamoottil, M., 2014. Puntius nelsoni, Systomus chryseus and S. rufus (Cypriniformes: Cyprinidae), three new fish species from Kerala, India. Int'l J of Fauna and Biological Stud. 1(6):135-145. (Ref. 104747)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
เครื่องมือ
Special reports
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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=0.01096 (0.00516 - 0.02330), b=2.99 (2.82 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
ระดับชั้นอาหาร (Ref.
69278): 2.9 ±0.4 se; based on size and trophs of closest relatives
ความสามารถในการกลับคืนสู่ปกติ (Ref.
120179): ความสูง, เวลาต่ำสุดที่จะทำให้ประชากรเพิ่มขึ้นเป็น 2 เท่าใช้เวลาน้อยกว่า 15 เดือน (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).