Elasmobranch Landings in Ecuador

 

Sharks and Rays caught by Ecuador in July – August 2011

 

 

Helmut Nickel, Shark Year Magazine,
14. November 2011

 

Republic of Ecuador
Fishing Report August 2011
Landing of Sharks and Rays

In August 2011, the estimated landing of sharks and rays was 576,49 tons,

representing an increase of 43,86 percent compared to the previous month (see July data below).

The vast majority of the catch (72,84%) consisted of pelagic thresher sharks ( Alopias pelagicus).

Almost the entire catch was landed in the port of Manta ( 498,63 tons ).

ECUADOR  – Total estimated landings (t) by species – August 2011 :

SHARKS:

Pelagic thresher shark (Alopias pelagicus) = 419,87 t ( 72,84 % ).

Blue shark (Prionace glauca) = 82,64 t ( 14,34% ).

Silky shark (Carcharhinus falciformis) = 33,41 t ( 5,79% ).

Mako shark (Isurus oxyrinchus) = 8,81 t ( 1,53% ).

Smooth hammerhead shark (Sphyrna zygaena) = 6,39 t ( 1,11% ).

Bigeye thresher shark (Alopias superciliosus) = 6,04 t ( 1,05% ).

Thresher shark (Alopias vulpinus) = 1,51 t ( 0,26% ).

Oceanic whitetip shark (Carcharhinus longimanus) = 0,31 t ( 0,05% ).

RAYS:

Longtail stingray (Dasyatis longa) = 10,54 t ( 1,83% ).

Spinetail mobula (Mobula japanica) = 6,01 t ( 1.04% ).

California butterfly ray (Gymnura marmorata) = 0,41 t ( 0,07% ).

Sharpnose stingray (Dasyatis acutirostra) = 0,25 t ( 0,04% ).

Pacific cownose ray (Rhinoptera steindachneri) = 0,14 t ( 0,02% ).

Torpedo electric ray (Torpedo tremens) = 0,07 t ( 0,01% ).

Whitenose guitarfish (Rhinobatos leucorhynchus) = 0,05 t ( 0,01%).

Guitarfish (Rhinobatos spp.) = 0,04 t ( 0,01% ).

TOTAL: 576,49 tons ( 100% )

 

Fishing Report July 2011
Landing of Sharks and Rays

In July 2011, the landing of sharks and rays was estimated at 323,62 tons.

The most representative species (with ca. 79 percent) is the pelagic thresher shark (Alopias pelagicus).

ECUADOR  – Total estimated landings (t) by species – July 2011 :

SHARKS

Pelagic thresher shark (Alopias pelagicus) = 255,8 t ( 79,046% ).

Blue shark (Prionace glauca) = 30,06 t ( 9,289% ).

Bigeye thresher shark (Alopias superciliosus) = 16,02 t ( 4,95% ).

Silky shark (Carcharhinus falciformis) = 7,5 t ( 2,318% ).

Smooth hammerhead shark (Sphyrna zygaena) = 4,77 t ( 1,434% ).

Mako shark (Isurus oxyrinchus) = 3,1 t ( 0,958% ).

Smalltail shark (Carcharhinus porosus) = 1,76 t ( 0,544% ).

Bronze whaler shark (Carcharhinus brachyurus) = 0,7 t ( 0,216% ).

Scalloped hammerhead shark (Sphyrna lewini) = 0,17 t ( 0,053% ).

Sicklefin smooth-hound (Mustelus lunulatus) = 0,15 t ( 0,046% ).

Brown smooth-hound (Mustelus henlei) = 0,01 t ( 0,003% ).

RAYS:

California butterfly ray (Gymnura marmorata) = 1,01 t ( 0,312% ).

Longtail stingray (Dasyatis longa) = 0,67 t ( 0,207% ).

Whitenose guitarfish (Rhinobatos leucorhynchus) = 0,47 t ( 0,145% ).

Spotted eagle rays (Aetobatus narinari) = 0,4 t ( 0,124% ).

Sharpnose stingray (Dasyatis acutirostra) = 0,37 t ( 0,114% ).

Chilean round ray (Urotrygon chilensis) = 0,26 t ( 0,08% ).

Giant electric ray (Narcine entemedor) = 0,17 t ( 0,053% ).

Guitarfish (Rhinobatos spp.) = 0,13 t ( 0,04% ).

Ray (Urobatis spp.) = 0,1 t ( 0,031% ).

TOTAL: 323,62 tons ( 100% )

Source: Analy Guamán and Manuel Díaz, Instituto Nacional de Pesca Ecuador.