The Jeffrey's goby (''Buenia jeffreysii'') is a species of goby fish.

Description

It maximum length is . It has 5–6 dorsal

spine Spine or spinal may refer to: Science Biology * Vertebral column, also known as the backbone * Dendritic spine, a small membranous protrusion from a neuron's dendrite * Thorns, spines, and prickles, needle-like structures in plants * Spine (zoolog ...

s and 8–10 dorsal

soft ray Fish anatomy is the study of the form or morphology of fish. It can be contrasted with fish physiology, which is the study of how the component parts of fish function together in the living fish. In practice, fish anatomy and fish physiology co ...

s; 1 anal spine and 7–8 anal soft rays; and 30 vertebrae. The male can be distinguished by the second ray of the first dorsal fin, which is elongated. It is silvery in colour, with red and dark brown blotches.

Habitat

Jeffrey's goby lives in the North Atlantic Ocean; it is a

demersal The demersal zone is the part of the sea or ocean (or deep lake) consisting of the part of the water column near to (and significantly affected by) the seabed and the benthos. The demersal zone is just above the benthic zone and forms a layer of ...

fish, living at depths of . It is common in the waters around Great Britain and Ireland. It is one of only two gobies that can live in the cold waters off southeast Iceland, the other being ''

Lebetus scorpioides ''Lebetus scorpioides'' is a species of fish belonging to the family Gobiidae. It is native to the coasts of Northwestern Europe. References Gobiidae {{gobiiformes-stub ...

''. It is also recorded in the Mediterranean Sea.

Behaviour

Jeffrey's goby spawns in May to September. Its eggs are pear-shaped and laid in

mussel Mussel () is the common name used for members of several families of bivalve molluscs, from saltwater and Freshwater bivalve, freshwater habitats. These groups have in common a shell whose outline is elongated and asymmetrical compared with other ...

shells, and guarded by the male. It feeds on

copepod Copepods (; meaning "oar-feet") are a group of small crustaceans found in nearly every freshwater and saltwater habitat (ecology), habitat. Some species are planktonic (inhabiting sea waters), some are benthos, benthic (living on the ocean floor) ...

s, bony fish and

crab Crabs are decapod crustaceans of the infraorder Brachyura, which typically have a very short projecting "tail" (abdomen) ( el, βραχύς , translit=brachys = short, / = tail), usually hidden entirely under the thorax. They live in all the ...

References

Gobiidae Fish described in 1867 {{Rayfinned-fish-stub