A fish Trap is something you would use in a fish Pond to catch the fish.
using fish nets.
just go to the beach and set the trap where you normally spear fish
A fish weir
A fish trap is commonly used among fishermen to catch large amounts of fish easily. Additional names for fish traps include a "tuna net" or a "cage net."
The gill rakers on fish keep food particles from moving out from in between the gill arches. For filter feeding fish and some suspension feeding fish, the gill rakers function is to trap the food.
jjj
net
death trap for fish
keep net.
by waitng for a fish to pass above it
The same amount of fish will be produced in a net as in a breeding trap. The amount of fish you save though could be different. That depends upon you and how much you know about rearing baby tropical fish.
A J trap is normally tubular and a P trap is brass and does not swivel