The Freshwater Fishes of the Laloki River System of New Guinea

Copeia ◽  
1975 ◽  
Vol 1975 (2) ◽  
pp. 316 ◽  
Author(s):  
Tim M. Berra ◽  
Ray Moore ◽  
L. Fred Reynolds
2011 ◽  
Vol 22 (sup1) ◽  
pp. 43-51 ◽  
Author(s):  
Christopher D. Nwani ◽  
Sven Becker ◽  
Heather E. Braid ◽  
Emmanuel F. Ude ◽  
Okechukwu I. Okogwu ◽  
...  

2020 ◽  
Vol 26 (3) ◽  
pp. 293
Author(s):  
Arif Wibowo ◽  
Dwi Atminarso ◽  
Lee Baumgartner ◽  
Anti Vasemagi

Indonesian freshwater fish diversity is threatened by human activities such as logging, land clearing, pollution and introduction of non-native species. The latter may pose serious threats to endemic freshwater fauna even in relatively pristine and isolated habitats. One such area, West Papua in the island of New Guinea, is one of the least studied regions in the world and a biodiversity hotspot. The Mamberamo River contains the highest proportion of non-native fish compared to other major river systems in New Guinea. To document this, we conducted a field study to validate and further temporally characterise the fish biodiversity to ascertain its current status. Since the last ichthyological survey 15 years ago, we detected two additional non-native species (Leptobarbus melanopterus and Oreochromis niloticus) that have established in the river system. Moreover, our survey revealed that non-native fish are extremely common in the mid reaches of the Mamberamo River, comprising 74% of total catch, with non-native Barbonymus gonionotus (family Cyprinidae) now established as the dominant species. The biomass of non-native B. gonionotus now exceeds that of all native fish combined in the main river channel. These results highlight the serious threat of invasive species in remote regions that support high levels of endemic biodiversity. Plans for containment, prevention through education programmes, and management are urgently required.


Sedimentology ◽  
2008 ◽  
Vol 55 (6) ◽  
pp. 1657-1686 ◽  
Author(s):  
GARY PARKER ◽  
TETSUJI MUTO ◽  
YOSHIHISA AKAMATSU ◽  
WILLIAM E. DIETRICH ◽  
J. WESLEY LAUER

1979 ◽  
Vol 30 (5) ◽  
pp. 617 ◽  
Author(s):  
C Sorentino

A survey was carried out of the mercury content of 19 fish species from 18 locations In the coastal and fresh waters of Papua New Guinea. Most commercial catches had total mercury contents well below the 0.5 �g/g limit recommended by the World Health Organization, the only exception being barramundi (Lates calcarifer) caught in the Fly River system. The presence of mercury in this river is discussed.


1988 ◽  
Vol 9 (9) ◽  
pp. 931-940 ◽  
Author(s):  
W. Salomons ◽  
M. Eagle ◽  
E. Schwedhelm ◽  
E. Allersma ◽  
J. Bril ◽  
...  

2021 ◽  
Vol 13 (2) ◽  
pp. 17651-17669
Author(s):  
Dencin Rons Thampy ◽  
M.R. Sethu ◽  
M. Bibin Paul ◽  
C.P. Shaji

We present here a detailed account of the diversity, distribution, threats, and conservation of freshwater fishes in the upper-catchment of the Kabini River in the Wayanad part of the Western Ghats Biodiversity Hotspot.  A total of 136 fish species belonging to 13 orders, 29 families, and 69 genera were recorded.  Order Cypriniformes dominated with five families, 36 genera, and 84 species, and Cyprinidae was the dominant family represented by 51 species within 21 genera.  The true diversity of ichthyofauna in this catchment, is still unclear and requires further exploration and taxonomic studies.  At least 44 species recorded during the study are endemic to the Western Ghats, of which 16 are endemic to the Cauvery River System and two species endemic to the Kabini Catchment.  A total of 20 non-native fish species were recorded from the study area, of which six species were inter-basin (within India) transplants and 14 species were exotic.  Among the native species with confirmed identity, four are Critically Endangered (CR) and nine Endangered (EN) as per the IUCN Red List of Threatened Species.  As a part of the study, we also extend the distribution ranges of Opsarius malabaricus, Laubuka trevori, Opsarius bendelisis, Puntius cauveriensis, Oreichthys coorgensis, Mesonoemacheilus pambarensis, Hypselobarbus curmuca, and Pseudosphromenus cupanus to the Kabini Catchment.  The presence of four species, which were earlier considered to be endemic to the west flowing rivers of the Western Ghats, viz, Laubuka fasciata, Hypselobarbus kurali, Sahyadria denisonii, and Puntius mahecola, in an east flowing stream is reported and discussed.  Deforestation and removal of riparian vegetation, pollution, stream channel modification, sand mining, destructive fishing practices, dams and other impoundments, monsoon fishing, and non-native species are the major threats to freshwater fishes in the region.  Strategies for the conservation of aquatic ecosystems in the Kabini Catchment are discussed.


2021 ◽  
Vol 13 (1) ◽  
pp. 17470-17476
Author(s):  
Naren Sreenivasan ◽  
Neethi Mahesh ◽  
Rajeev Raghavan

The ichthyofauna of Cauvery Wildlife Sanctuary is comprised of 58 species belonging to 18 families and 44 genera of which close to 25% are endemic to the Western Ghats region, and eight are endemic to the Cauvery River system namely, Dawkinsia arulius, Dawkinsia rubrotinctus, Hypselobarbus dubius, H. micropogon, Kantaka brevidorsalis, Labeo kontius, Tor remadevii and Hemibagrus punctatus.  Eight species found in Cauvery Wildlife Sanctuary are threatened, including two (Tor remadevii and Hemibagrus punctatus) listed as ‘Critically Endangered’, four species (Dawkinsia arulius, Hypselobarbus dubius, H. micropogon, and Silonia childreni) as ‘Endangered’ and two (Hyporhamphus xanthopterus and Wallago attu) as ‘Vulnerable’ on the IUCN Red List. 


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