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Juvenile coastal fish are drawn to turbid shallow waters and to mangrove structures, where they have better protection from predators. [ 11 ] [ 12 ] As the fish grow, their foraging ability increases and their vulnerability to predators decreases, and they tend to shift from mangroves to mudflats . [ 13 ]
Fish, eels, some lobsters, blue crabs (and so forth) do have distinct juvenile habitats, whether with or without overlap with adult habitats. In terms of management, use of the nursery role hypothesis may be limiting as it excludes some potentially important nursery sites. In these cases the Effective Juvenile Habitat concept may be more useful.
The larval period in oviparous fish is relatively short (usually only several weeks), and larvae rapidly grow and change appearance and structure (a process termed metamorphosis) to become juveniles. During this transition larvae must switch from their yolk sac to feeding on zooplankton prey, a process which depends on typically inadequate ...
The young fish will also ride the water into remote semi-landlocked ponds during storms and king tides, where they will stay from one to three years. These ponds, some of which are brackish or freshwater, often become so low in oxygen that tarpons and snooks are the only fish able to survive in these environments. The juveniles therefore face ...
Juvenile fish have four to five bold vertical black bars on a light background and can be mistaken for sheepshead at first glance, but are distinguished on closer inspection because sheepshead have teeth and black drum have chin barbels. These stripes usually fade to dull gray as the fish grow from 12 to 24 inches (30 to 61 cm) in length.
The idea: Grow the salmon indoors to reduce exposure to parasites, warming waters and algae blooms that threaten the fish grown in farms in open waters near shore — and in turn reduce the fish ...
Finally, juvenile sharks have been found to prefer the warmer water of shallow coastal areas as they grow into adulthood and swim in shark nurseries near the coast.
Whereas FishBase is a database about adult finfish, LarvalBase is a database about the juvenile stages of fish. Juvenile fish often feed differently and occupy different habitats than the adults do. LarvalBase complements FishBase by providing information about these early stages of life. [2]