How would this unusual reproductive behavior benefit these small fish? Figure 11.20 During spring and summer months, these small fish(genus Leuresthes) swim ashore at night in large numbers just afterthe highest spring tides, deposit and fertilize their eggs below thesand surface, and return to the sea. Nearly 2 weeks later, when springtides return, the eggs hatch. No one is certain how grunion time theirreproductive behavior so precisely to the tidal cycle. The grunion arefound only along the Pacific coast of North America and in the Gulf ofCalifornia. Unlike the Pacific coast species, Gulf of California grunionspawn during daylight.

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How would this unusual reproductive behavior benefit these small fish?

Biology: The Unity and Diversity of Life (MindTap Course List)

15th Edition

ISBN:9781337408332

Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Chapter44: Population Ecology

Section: Chapter Questions

Problem 2DAA: Iguana Decline In 1987, Martin Wikelski began a long-term study of marine iguanas in the Galpagos...

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Concept explainers

Classification of Marine Organisms

Classification is a way of categorizing organisms that enables an easy process of identification of such organisms. All living things are classified by grouping them under specific categories. The grouping is done based on the close relativeness of the organisms. The classification tool requires knowledge of characteristics, differences, and similarities between different organisms.

Question

How would this unusual reproductive behavior benefit these small fish?

Figure 11.20 During spring and summer months, these small fish
(genus Leuresthes) swim ashore at night in large numbers just after
the highest spring tides, deposit and fertilize their eggs below the
sand surface, and return to the sea. Nearly 2 weeks later, when spring
tides return, the eggs hatch. No one is certain how grunion time their
reproductive behavior so precisely to the tidal cycle. The grunion are
found only along the Pacific coast of North America and in the Gulf of
California. Unlike the Pacific coast species, Gulf of California grunion
spawn during daylight.

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