Blennies reproduce by laying eggs and reproducing sexually. They lay eggs inside the caves they live in and will guarded it until the young hatch.
Starry blenny
There are 732 species of Blennies. Here is some examples: Bicolor Blenny (ecsenius bicolor), Black Combtooth Blenny (ecsenius namiyei), Black Sailfin Blenny (astrosalarias fuscus), Black-Lined Blenny - Tank-Bred (meiacanthus nigrolineatus), Canary Blenny (meiacanthus oualanensis), Ember Blenny (cirripectes stigmaticus), Fortail Blenny (meiacanthus atrodorsalis), Horned Blenny (hypsoblennius exstochilus), Linear Blenny (ecsenius lineatus), Lizard Blenny (parapercus sp.), Midas Blenny (ecsenius midas), One Spot Blenny (crossosalarias macrospilus), Orangetrhoat Pikeblenny (chaenopsis alepidota), Sailfin/Algae Blenny (salarias fasciatus), Segmented Sailfin Blenny (salarias segmentatatus), Starry Blenny (salarias ramosus), Striped Blenny (meiacanthus grammistes), Tail Spot Blenny (ecsenius stigmatura).
Ringneck blenny was created in 1829.
Australian blenny was created in 1988.
Mud blenny was created in 1959.
Crested blenny was created in 1926.
Rusty blenny was created in 1814.
Mystery blenny was created in 1968.
Portuguese blenny was created in 1836.
Yatabe blenny was created in 1900.
Sphinx blenny was created in 1836.
Zvonimir's blenny was created in 1892.