A flame tip hermit crab (Calcinus minutus), found in branching hard coral, Yap, Micronesia, Pacific

A pajama cardinalfish (Sphaeramia nematoptera) at night off the island of Yap, Micronesia, Pacific

Adult gentoo penguin (Pygoscelis papua), with very small white ocular patch at Brown Bluff near the Antarctica, Polar Regions

Ophthalmology office. Cover test, objective determination of the presence of ocular deviation. Masked patient and doctor - Covid 19.

Modern coin telescope, observation terrace, airport Duesseldorf, NRW, Germany