Size and Shape:
Generally no more
than 50 µm long, the 'verruculosa-like' variety tends to be
peaking at ~ 25-30 µm long. Usually tear-shaped with 2
flagella and mucocysts arranged radially around the cell cortex giving
the cells a 'lumpy' appearance.
Pigments: Many green
or yellow-green plastids, chla, c1 and c2; ß-carotene and
as accessory pigments.
posterior end and lumpy texture. Ejected mucocysts are shaped
Worldwide in brackish
waters. Chattonella is fragile and easily overlooked if
in a dense bloom.
both species have
been shown to produce brevitoxins and are responsible for numerous fish
A.J., Schmidt, L.B.,
Mason, L.J., Kempton, J.W., Wilde, S.B., Wolny, J.L., Williams, B.J.,
K.C., Hymel, S.N., Keppler, C.J., and Ringwood, A.H. (2003) Harmful
blooms in South Carolina residential and golf course ponds. Population
and Environment. 24: 387-413.
B. 1936. Sur une
Chloromonadine nouvelle d'eau saumatre. Chattonella subsalsa gen., n.
Archiv. Zool. Exper. Gen. 78:79–83.
T. 1985. Fish kills
due to the red tides of Chattonella. Bull. Mar. Sci. 37:772.
Y. and K. Nozawa 1989.
Separation of toxin from harmful red tides occurring along the coast of
Kagoshima Prefecture. In: Red tides: Biology, Environmental Science and
Toxicology. T. Okaichi, D.M. Anderson and T. Nemoto (eds.). Elsevier.