3D animated children's science adventure, one continuous 4-second shot in the da

3D animated children's science adventure, one continuous 4-second shot in the dark twilight zone at 1000 m like @Twilight, lit by a cloud of tiny blue glowing lanternfish. Side view: a sleek swordfish about 3 metres long, with a long flat sword-like bill sticking far out from its snout, a big eye, a tall dorsal fin and a tall crescent tail, darts from left to right through the glowing school, s...