Stakeholder perception of the danger posed by sharks in the …
WEBJun 1, 2024 · During 949 diving surveys conducted over 44 mo, we investigated the ecology and residence patterns of 36 photo-identified adult sicklefin lemon sharks Negaprion acutidens. The group contained 20 ...
A day in the life: quantifying nursery habitat use in a coastal shark ...
WEBMay 28, 2024 · Distance-to-shore data revealed tidal patterns in the movements of young lemon sharks that support previous findings for this species (Guttridge et al., 2012; Wetherbee et al., 2007), its allopatric relative (sicklefin lemon shark, Negaprion acutidens) (Byrnes et al., 2021; Lea et al., 2020) and other carcharhinids (George et al ...
Atlantic Shortfin Mako Shark | NOAA Fisheries
WEBMay 13, 2024 · Shortfin mako sharks grow slowly, reach up to 13 feet long, and can live to be over 30 years old. They are not able to reproduce until about 8 years old (~6 feet) for males and 19 years old (~9 feet) for females. They have a 3-year reproductive cycle and a gestation period of approximately 18 months. Mating occurs from summer to fall.
Atlantic Sharpnose Shark | NOAA Fisheries
WEBMay 13, 2024 · Commercial fishery: In 2022, commercial landings of Atlantic sharpnose shark in the Atlantic and Gulf of Mexico totaled 163,000 pounds, and were valued at $152,000 according to the NOAA Fisheries commercial fishing landings database. To commercially harvest Atlantic sharks, vessel owners must obtain a valid Atlantic shark …
- Class: Chondrichthyes
- Phylum: Chordata
- Order: Carcharhiniformes
Shortened food chain length in a fished versus unfished coral reef
WEB3 days ago · Ecological Applications is an applied ecology journal discussing the applications of ecological science research for policy, management, and solving environmental problems.
Great Hammerhead Shark - A-Z Animals
WEBMay 27, 2024 · The great hammerhead shark is found in warmer waters and is the biggest of nine subspecies. Generally, they grow up to 10-14 feet long. However, there are records of a female over 20 feet! Great hammerhead sharks are solitary animals that migrate to warmer waters during winter.
Aquatic Conservation: Marine and Freshwater Ecosystems
WEBMay 17, 2024 · Abstract. For some marine species, photo-identification (photo-ID) data can be used to generate population estimates critical for conservation efforts. For the white shark ( Carcharadon carcharias ), different photo-ID methods have been proposed: (1) the traditional manual matching method based on non-organized databases, (2) the notches …
| NOAA Fisheries
WEBMay 13, 2024 · In 2022, recreational anglers landed 125,000 pounds of blacktip shark, according to the NOAA Fisheries recreational fishing landings database . Recreational fishermen must have an Atlantic HMS permit to harvest Atlantic blacktip sharks in federal waters. As of January 1, 2018, all HMS recreational permit holders will need a “shark …
Identifying spatial movements and residency of ... - Semantic Scholar
WEBMay 22, 2024 · Non-resident Negaprion acutidens are highly susceptible to over-fishing and movement data are essential to quantify spatio-temporal overlap with fisheries and assist with developing spatially explicit stock assessment models. Expand
CalPhotos: Browse Fish Scientific Names
WEBMay 12, 2024 · see also: Browse Invertebrate Thumbnail Photos. Click on a name below to see all the animal photos in the database that contain that name. The number in parentheses following each name is a count of photos that exactly match the name.
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