352
THE BÉÏOLOGY OF FISHES
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guard (Blennies,Ggobies, Cottoids, Lumpshes),
both (in.-seine Cichlid3). Again;
nests
the ingenious use of mouth, ns, and special
(Labroids, StiCklebacks, Macropods), or the male
‘
special charge of the eggs either in a pouch (Pipe—"
shes) or in his mouth (some Silùroids), and sometimes it
is the female that undertakes the latter performance (African
-Cichlids). Bastly, we have the viviparous shes (many
-
and Elasmobra—nchs)
be regarded also
‘
parental care, though" the origin of this habit
=
has probably been of a- dierent kind, as explained in a
,
"
previous chapter.
1
,
»
.
:
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It should be noted, however, that the-habits are varied
‘i'clOsely related species. One Cottus takes care of the
_
eggs, another pays no attention to them. Some Siluroids
,
'
,do notbui—ld neëts, others do, and some take the eggs in their
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moutth Whilst a distant ,relatiVe, Aspredo, broods over them
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such an extent thattheÿbeéorne attached to her body. —
This diversity is of some imperta—ç‘e‘ in helping us to arrive
,
at"an understanding of the way iriWhich4the
The signicance, of this parental care, to the ,.sheS, ”
'- maybe illustrated _»by some extreme examples. 'Ina_recenjt
'
description
American Ga—Topsail, ;a
Silùroid,_,
nd that the male
,
about—5 5 eggs inÏhis mouth for
nearly 70,
is 19—26) mm. (nearly an1nch)
the
,
it Would . '?
for
to take fooddunng the whole
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0f5 ‘lisf Pcfâod—:
themeanmgof this _Ï8.61È ? :
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»! me McIntosh has g1venthefouowmg account _Of
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"hs
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,:LüipfèucËkers—for .;its eggàä
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.‘ Ÿ‘Ab011?fh€äîddle39f-Mäÿîîainâlè5NâSÿ-f0ùnd at:-StaAndreWS,
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a fshort: dlstanceflomlowwater mark ma broad tuhlet,
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seawaterwasso
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Stone
le_bbE—tiÏde, and—was
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