[1] It can be found in coastal waters at depths of from 0 to 76 metres (0 to 249 ft) with rocky substrates in which there are crevices for concealment.

[5] The blue-banded goby (Lythrypnus dalli) is a small fish found in shallow coastal waters of Southern California, commonly inhabiting eelgrass beds and rocky reefs.

Known for its vibrant blue stripes, it exhibits both simultaneous and sequential hermaphroditism, with larger females more likely to transition to male roles.

The Blue Band Goby, Lythrypnus dalli, exhibits protandrous and protogynous sex changes, allowing individuals to adapt their sex based on social status within their populations.

[7] Research has shown that males have higher androgen receptor (AR) levels, which are linked to male-specific courtship behaviors and sexual selection, enhancing their display vigor.